is an eigenvector with eigenvalue 1. Indeed, one can verify that:
ɪ z WORD_BOUNDARY ʌ n WORD_BOUNDARY aɪ d̠ʒ ə n v ɛ k t ə ɹ WORD_BOUNDARY w ɪ ð WORD_BOUNDARY aɪ d̠ʒ ə n v æ l j uː WORD_BOUNDARY w ʌ n WORD_BOUNDARY ɪ n d iː d WORD_BOUNDARY w ʌ n WORD_BOUNDARY k æ n WORD_BOUNDARY v ɛ ɹ ɪ f aɪ WORD_BOUNDARY ð æ t WORD_BOUNDARY