The word Bas is misspelled against Baas, which is plural of "Baa"
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Baas has double "aa" is mispronounced as "a"
Remember double 'AA' in between the strings B & s which should not be misspelled with single 'A'
Wrong Spelling:  B-a-s 
Correct Spelling:  B-aa-s 
Browse incorrect spellings of Baas to spell it good.