trekker trekker trekker
trekker trekker trekker .
t r ɛ k ə r WORD_BOUNDARY t r ɛ k ə r WORD_BOUNDARY t r ɛ k ə r WORD_BOUNDARY
t r e k k e r WORD_BOUNDARY t r e k k e r WORD_BOUNDARY t r e k k e r WORD_BOUNDARY