Vowels: Standard - 'a' as in 'path', 'u' as in 'put', 'i' as in 'sit'
Variation 'a' followed by a 'y' and another vowel eg 'i', the 'a' is the dipthong 'ai' like 'i' as in 'ice'
Consonants: 'rr' role
Emphasis main 1st syllable 'karr', 3rd syllable 'ay is 2nd lesser empahasis. (fast is normal)