Final answer:
The sounds /ow-ō-oo-ŭ/ are common sounds in English, but there are some less common sounds associated with these vowels.
Step-by-step explanation:
The sounds /ow-ō-oo-ŭ/ are common sounds in English. However, there are some sounds that are not very common for these vowel sounds. For example, the sound [eɪ] as in the word 'cake' is not a very common sound for /ow/. Another example is the sound [æ] as in the word 'cat', which is not a common sound for /ō/. Lastly, the sound [ɪ] as in the word 'sit' is not a common sound for /oo/.