Here are some loan-words written with ာ် "aw" vowel:

ကော်ဖီ coffee (Eng)
ဘော်ဒါ border (Eng)
သော်တာ moon (Pali)
လော်စပီကာ Loud speaker (Eng)
ဖီလော်ဆော်ဖီ Philosophy (Eng) 


Notice that လျှ in the word လျှော့ပေါ့ "to reduce", is read "sh" as said in the notes in Lesson 14.

The same rule is applied to the syllble လျော of the word ပေါ့လျော "careless" which is read as ပေါ့ရော့[páw yáw]"