l m l m n o
l m l m n o
n:let n:let n:let n:let n:let n:let
l m l m n o .
ɛ l WORD_BOUNDARY ɛ m WORD_BOUNDARY ɛ l WORD_BOUNDARY ɛ m WORD_BOUNDARY ɛ n WORD_BOUNDARY oʊ WORD_BOUNDARY
l WORD_BOUNDARY m WORD_BOUNDARY l WORD_BOUNDARY m WORD_BOUNDARY n WORD_BOUNDARY o WORD_BOUNDARY