diff --git a/2015/day16.scala b/2015/day16.scala
index 904d0d9..9f99046 100644
--- a/2015/day16.scala
+++ b/2015/day16.scala
@@ -9,14 +9,11 @@ import cats.parse.Rfc5234.{digit, alpha}
 
 type Clue = Map[String, Int]
 
-val ident: Parser[String] =
-  alpha.rep.string
-
 val id: Parser[Int] =
   string("Sue ") *> number <* string(": ")
 
 val clue: Parser[(String, Int)] =
-  (ident <* string(": ")) ~ number
+  (alphas <* string(": ")) ~ number
 
 val clues: Parser[Clue] =
   clue.repSep(string(", ")).map(_.toList.toMap)
diff --git a/2015/day9.scala b/2015/day9.scala
index f52ff02..3a6ac38 100644
--- a/2015/day9.scala
+++ b/2015/day9.scala
@@ -4,12 +4,10 @@ import prelude.*
 import prelude.parser.*
 
 import cats.parse.Parser
-import cats.parse.Parser.*
-import cats.parse.Rfc5234.alpha
 
 import y2015.day7.Parser.keyword
 
-val city: Parser[String] = alpha.rep.string
+val city = alphas
 
 val path = for
   from <- city <* keyword("to")
diff --git a/prelude/parser.scala b/prelude/parser.scala
index f82eb76..fff1ed7 100644
--- a/prelude/parser.scala
+++ b/prelude/parser.scala
@@ -5,3 +5,6 @@ import cats.parse.Rfc5234.{digit, alpha}
 
 val number: Parser[Int] =
   digit.rep.string.map(_.toInt)
+
+val alphas: Parser[String] =
+  alpha.rep.string