Phonemes, 143 consonant groups, 145 consonants, 143 contraction and special symbols, 145 contractions, 144 digits and punctuation, 144 diphthongs, 143, 145 example text, 149 glottal stop, 146 hints for intelligibility, 148 punctuation, 148 sentence length, 148 special symbols, 144 stress and intonation, 146, 147 stress mark placement rules, 146 vowel groups, 145 vowels, 143