While many vowels can be combined, generally consonants do not stand on their own.

Consonants:
/ɫ/
/k/
/r/ (trill)

Vowels:
/æ/
/a/
/ou/
/u/
/ʌ/
/ɪ/
/i/
/ɛ/

Diphthongs:
/eɪ/
/ɛu/
/aɪ/
/au/
/oɪ/