WRITING

Here are some loan-words written with  ui "o" vowel. 

tiunI Tony (Eng)
SuinI Sony (Eng)
bIRui cupboard (Pali)
Suiker;tI; Socrates (Eng)
huity\ hotel (Eng)

READING

Notice the weakened vowels and voiced consonants while you are listening to the reading lessons.

When you come across the "o" vowel with y\ "yá thaq" or l\ "lá thaq" attached next to it like in kuiy\  [ko] and kuqiul\ [kù dho], you will not read "yá thaq" and "lá thaq" at all.