开 拼 到 过 了
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开 拼 到 过 了 .
kʰ ai̯ ˥ WORD_BOUNDARY pʰ i ˥ n WORD_BOUNDARY t au̯ ˥˩ WORD_BOUNDARY k w o ˥˩ WORD_BOUNDARY l ɤ WORD_BOUNDARY 
开 WORD_BOUNDARY 拼 WORD_BOUNDARY 到 WORD_BOUNDARY 过 WORD_BOUNDARY 了 WORD_BOUNDARY