▁The ▁first ▁internal ▁classification ▁of ▁the ▁G be ▁languages ▁was ▁published ▁in ▁ 1 9 8 8 ▁by ▁H . B . ▁Cap o , ▁followed ▁by ▁a ▁compar ative ▁ph on ology ▁in ▁ 1 9 9 1 . ▁The ▁G be ▁languages ▁are ▁t onal , ▁isol ating ▁languages ▁and ▁the ▁basic ▁word ▁order ▁is ▁subject – verb – object . ▁ ▁L anguages ▁ ▁Geography ▁and ▁dem ography ▁The ▁G be ▁language ▁area ▁is ▁border ed ▁to ▁the ▁west ▁and ▁east ▁by ▁the ▁Vol ta ▁River ▁in ▁Gh ana ▁and ▁the ▁W eme ▁River ▁in ▁Ben in . ▁The ▁northern ▁border ▁is ▁between ▁ 6 ▁and ▁ 8 ▁degrees ▁latitude ▁and ▁the ▁southern ▁border ▁is ▁the ▁Atlantic ▁coast . ▁The ▁area ▁is ▁neighbor ed ▁mainly ▁by ▁other ▁K wa ▁languages , ▁except ▁for ▁the ▁east ▁and ▁north - east , ▁where ▁Y or ù b á ▁is ▁spoken . ▁To ▁the ▁west , ▁Ga – D ang me , ▁Gu ang ▁and ▁Ak an ▁are ▁spoken . ▁To ▁the ▁north , ▁it ▁is ▁border ed ▁by ▁A de le , ▁Ag una , ▁Ak p af u , ▁L ol obi , ▁and ▁Y or ù b á . ▁ ▁Est im ates ▁of ▁the ▁total ▁number ▁of ▁speak ers ▁of ▁G be ▁languages ▁vary ▁consider ably . ▁Cap o ▁( 1 9 8 8 ) ▁gives ▁a ▁mod est ▁estimate ▁of ▁four ▁million , ▁while ▁S IL ' s ▁Eth n olog ue ▁( 1 5 th ▁edition ,