wenn es viel regnet
wenn es viel regnet ?
v ɛ n WORD_BOUNDARY  ɛ s WORD_BOUNDARY f iː l WORD_BOUNDARY ʀ ɛ ɡ n ə t WORD_BOUNDARY
w e n n WORD_BOUNDARY e s WORD_BOUNDARY v i e l WORD_BOUNDARY r e g n e t WORD_BOUNDARY