diff --git a/src_v2/org/org_builder_api.nim b/src_v2/org/org_builder_api.nim
index 5fffd39..593df9c 100644
--- a/src_v2/org/org_builder_api.nim
+++ b/src_v2/org/org_builder_api.nim
@@ -39,15 +39,15 @@ func tokenizeRawText*(kind: orgInlineBlockKind): string -> OrgInlineBuilderT =
     )
 
 # ## Blocks
-# type OrgBuilderT* = OrgBlock
-# type OrgBuilder* = Builder[OrgBuilderT]
-# type OrgBuilderResult* = BuilderResult[OrgBuilderT]
+type OrgBuilderT* = OrgBlock
+type OrgBuilder* = Builder[OrgBuilderT]
+type OrgBuilderResult* = BuilderResult[OrgBuilderT]
 
-# func initOrgBuilder*(content: string): OrgBuilderResult =
-#   return OrgBuilderResult.ok(OrgBuilder((
-#     parser: initParser(content),
-#     tree: newSeq[OrgBuilderT](),
-#   )))
+func initOrgBuilder*(content: string): OrgBuilderResult =
+  return OrgBuilderResult.ok(OrgBuilder((
+    parser: initParser(content),
+    tree: newSeq[OrgBuilderT](),
+  )))
 
 # # proc orgBuilderConcat*(typeInfo: OrgBuilderT, concatFn: (ParserToken, OrgBuilderT) -> OrgBuilderT):
 # #                       (seq[ParserToken], OrgBuilderT) -> OrgBuilderT =
diff --git a/src_v2/org/org_builder_heading.nim b/src_v2/org/org_builder_heading.nim
index a617618..0d8ecba 100644
--- a/src_v2/org/org_builder_heading.nim
+++ b/src_v2/org/org_builder_heading.nim
@@ -77,24 +77,24 @@ let buildStars = func(tokens: seq[ParserToken], org: OrgBlock): OrgBlock {.closu
 # let buildHeadlineNewline = func(tokens: seq[ParserToken], org: OrgBlock): OrgBlock {.closure.}=
 #   org
 
-# proc tryBuildHeading(builder: OrgBuilderResult): OrgBuilderResult =
-#   # echo builder
-#   builder
-#   .applyParsersSeqToSingle(
-#     OrgBlock(kind: orgHeading),
-#     @[
-#       (parseHeadingStars, buildStars, false),
+proc tryBuildHeading(builder: OrgBuilderResult): OrgBuilderResult =
+  # echo builder
+  builder
+  .applyParsersSeqToSingle(
+    OrgBlock(kind: orgHeading),
+    @[
+      (parseHeadingStars, buildStars, false),
 
-#       (@[optional(parseTodoKeyword)], buildTodo, true),
-#       (@[optional(parseDoneKeyword)], buildTodo, true),
+      (@[optional(parseTodoKeyword)], buildTodo, true),
+      (@[optional(parseDoneKeyword)], buildTodo, true),
 
-#       (parseHeadingText, buildHeadlineContent, false),
+      (parseHeadingText, buildHeadlineContent, false),
 
-#       # (parseContentText, buildHeadlineChildren, true),
+      # (parseContentText, buildHeadlineChildren, true),
 
-#       (parseHeadlineNewline, buildHeadlineNewline, false),
-#     ]
-#   )
+      (parseHeadlineNewline, buildHeadlineNewline, false),
+    ]
+  )
 
 # let headingParser = choice(@[
 #   newline + ch('*'),
diff --git a/src_v2/org/org_builder_paragraph.nim b/src_v2/org/org_builder_paragraph.nim
new file mode 100644
index 0000000..9dbc9f5
--- /dev/null
+++ b/src_v2/org/org_builder_paragraph.nim
@@ -0,0 +1,99 @@
+import std/[
+  collections/sequtils,
+  sugar,
+]
+import fp/[
+  option,
+  resultM,
+]
+import ./org_types
+import ./org_builder_api
+import ./org_builder_link.nim
+import ../parser/parser
+
+# let lineTokenizer = (builder: OrgInlineBuilder) => tryTokenize(
+#     builder = builder,
+#     builderFns = styledTextTokenizers,
+#     defaultTokenizerFn = tryTokenizeRawText,
+#   )
+
+# OrgDocucment
+
+# -> Seq [Builder -> Builder]
+
+# One of OrgBlock
+
+# @[
+
+#     OrgBuilderResult -> OrgBuilderResult
+# ]
+# with default OrgBuilder -> OrgBuilder
+# until Eol
+
+let listTypesParser = choice(@[
+  ch('-'),
+  ch('+'),
+  choice(@[letter, digit]) + choice(@[ch('.'), ch(')')]),
+])
+
+let listStartParser = manyUntil(space, listTypesParser)
+let listTypeParser = listTypesParser + ignore(space)
+let listContentParser = anyUntil(newlineOrEol) + ignore(newlineOrEol)
+
+proc buildListItem(builder: OrgBuilder): OrgBuilderResult =
+
+  let (parser, tree) = builder
+
+  # let initialParser = ParserResult.ok(parser)
+
+  let beforeSpaces = ParserResult.ok(parser)
+  .flatMap(listStartParser)
+  .map(flattenTokens)
+
+  let listType = beforeSpaces
+  .map(emptyTokens)
+  .flatMap(listTypeParser)
+  .map(flattenTokens)
+
+  let listContent = listType
+  .map(emptyTokens)
+  .flatMap(listContentParser)
+  .map(flattenTokens)
+
+  echo listContent
+
+  builder.ok()
+
+discard initOrgBuilder("  1. foo bar").map(buildListItem)
+
+
+# proc buildParagraph*(
+#   builder: OrgBuilder,
+#   builderFns: seq[tuple[
+#     builderFn: OrgBuilder -> OrgBuilderResult,
+#     concatFn: OrgBuilder -> OrgBuilder,
+#   ]],
+#   stopAtParserFn = endOfStream,
+# ): OrgBuilderResult =
+
+#   var builderAcc = OrgBuilderResult.ok(builder)
+
+#   while builderAcc.isOk() and builderAcc.applyParser(stopAtParserFn).isErr():
+#     var found = false
+
+#     for fn in builderFns:
+#       let builderResult = builderAcc.flatMap(fn)
+
+#       if builderResult.isOk():
+#         found = true
+
+#         builderAcc = builderAcc.map((x: OrgBuilder) => x.concat(builderResult.unsafeGet()))
+#         break
+
+# when isMainModule:
+#   block testParsers:
+#     proc testParser(str: string, parser: parserFnT): string =
+#       initParserResult(str).flatMap(parser).tokensToString()
+
+#     assert testParser("- List item", listItemParser) == "- List item"
+#     assert testParser("  - List item", listItemParser) == "  - List item"
diff --git a/src_v2/parser/parser_types.nim b/src_v2/parser/parser_types.nim
index 0f968c9..6524d56 100644
--- a/src_v2/parser/parser_types.nim
+++ b/src_v2/parser/parser_types.nim
@@ -122,6 +122,11 @@ func flattenTokens*(parser: Parser): Parser =
     tokens: @[token]
   )
 
+func flattenTokensResult*(parser: Parser): ParserResult =
+  parser
+  .flattenTokens()
+  .ok()
+
 func emptyTokens*(parser: Parser): Parser =
   ## Empty `parser` tokens.
   Parser(