kwek+kwek kwek+kwek
kwek kwek kwek kwek .
k w ɛ k WORD_BOUNDARY k w ɛ k WORD_BOUNDARY k w ɛ k WORD_BOUNDARY k w ɛ k WORD_BOUNDARY
k w e k WORD_BOUNDARY k w e k WORD_BOUNDARY k w e k WORD_BOUNDARY k w e k WORD_BOUNDARY