See below for further explanation of the curve "C" and surface "S". There are a number of ambiguities in the above definitions that require clarification and a choice of convention.
s iː WORD_BOUNDARY b ɪ l oʊ WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY f ɜː ð ə ɹ ɹ WORD_BOUNDARY ɛ k s p l ʌ n eɪ ʃ ə n WORD_BOUNDARY ʌ v ð ə WORD_BOUNDARY k ɜː v WORD_BOUNDARY s iː WORD_BOUNDARY æ n d WORD_BOUNDARY s ɜː f ɪ s WORD_BOUNDARY ɛ s WORD_BOUNDARY ð ɛ ɹ ɑ ɹ WORD_BOUNDARY ʌ WORD_BOUNDARY n ʌ m b ə ɹ ɹ WORD_BOUNDARY ʌ v WORD_BOUNDARY æ m b ɪ ɡ j uː ɪ t i z WORD_BOUNDARY ɪ n ð ɪ WORD_BOUNDARY ə b ʌ v WORD_BOUNDARY d ɛ f ɪ n ɪ ʃ ə n z WORD_BOUNDARY ð æ t WORD_BOUNDARY ɹ ɪ k w aɪ ə ɹ WORD_BOUNDARY k l æ ɹ ɪ f ɪ k eɪ ʃ ə n WORD_BOUNDARY æ n d WORD_BOUNDARY ʌ WORD_BOUNDARY t̠ʃ ɔɪ s WORD_BOUNDARY ʌ v WORD_BOUNDARY k ə n v ɛ n ʃ ə n WORD_BOUNDARY