▁a ▁sy ll ab ic ▁nas al . ▁It ▁is ▁also ▁the ▁location ▁of ▁the ▁tone . ▁While ▁virt ually ▁any ▁con son ant ▁can ▁occur ▁in ▁the ▁C 1 ▁ ▁position , ▁there ▁exist ▁several ▁restrictions ▁on ▁the ▁kind ▁of ▁con son ants ▁that ▁can ▁occur ▁in ▁the ▁C 2 ▁ ▁and ▁C 3 ▁ ▁positions . ▁In ▁general , ▁only ▁liquid ▁con son ants ▁may ▁occur ▁as ▁C 2 ▁, ▁while ▁only ▁nas als ▁occur ▁in ▁the ▁C 3 ▁position . ▁ ▁Most ▁ver bs ▁in ▁G be ▁languages ▁have ▁one ▁of ▁the ▁basic ▁sy ll able ▁forms . ▁G be ▁nom inals ▁are ▁generally ▁preced ed ▁by ▁a ▁nom inal ▁prefix ▁consisting ▁of ▁a ▁v owel ▁( cf . ▁the ▁E we ▁word ▁, ▁' to oth '). ▁The ▁quality ▁of ▁this ▁v owel ▁is ▁restricted ▁to ▁the ▁subset ▁of ▁non - nas al ▁v ow els . ▁In ▁some ▁cases ▁the ▁nom inal ▁prefix ▁is ▁reduced ▁to ▁sch wa ▁or ▁lost : ▁the ▁word ▁for ▁' fire ' ▁is ▁iz o ▁in ▁Ph el á , ▁ ▁in ▁W ací - E we ▁and ▁ ▁in ▁P ec í - E we . ▁The ▁nom inal ▁prefix ▁can ▁be ▁seen ▁as ▁a ▁re lic ▁of ▁a ▁typical ▁Niger – C ongo ▁n oun ▁class ▁system . ▁ ▁The ▁G be ▁languages ▁are ▁isol ating ▁languages , ▁and ▁as ▁such ▁express ▁many ▁semantic ▁features ▁by ▁lex ical ▁items . ▁Of ▁a ▁more ▁ag gl ut in ative ▁nature ▁are ▁the