el , ▁and ▁sometimes ▁by ▁specific ▁names ▁for ▁individual ▁languages , ▁such ▁as ▁Wol of al , ▁Sor abe , ▁and ▁W ada ad ▁writing . ▁ ▁Despite ▁the ▁existence ▁of ▁a ▁widely ▁known ▁and ▁well - est ab lished ▁script ▁in ▁Eth iop ia , ▁there ▁are ▁a ▁few ▁cases ▁where ▁Muslim s ▁in ▁Eth iop ia ▁have ▁used ▁the ▁Arab ic ▁script , ▁instead , ▁for ▁reasons ▁of ▁religious ▁identity . ▁ ▁There ▁are ▁no ▁official ▁standard ▁forms ▁or ▁orth ograph ies , ▁though ▁local ▁usage ▁follows ▁traditional ▁practice ▁for ▁the ▁area ▁or ▁language . ▁There ▁was ▁an ▁effort ▁by ▁I SE S CO ▁to ▁standard ize ▁A j ami ▁usage . ▁Some ▁critics ▁believe ▁this ▁re lied ▁too ▁much ▁on ▁Pers o - A rab ic ▁script ▁forms ▁and ▁not ▁enough ▁on ▁existing ▁use ▁in ▁Africa . ▁In ▁any ▁event , ▁the ▁effect ▁of ▁that ▁standard ization ▁effort ▁has ▁been ▁limited . ▁ ▁Latin ▁ ▁The ▁first ▁system atic ▁attempts ▁to ▁adapt ▁the ▁Latin ▁script ▁to ▁African ▁languages ▁were ▁probably ▁those ▁of ▁Christian ▁mission aries ▁on ▁the ▁e ve ▁of ▁European ▁colon ization ▁( P as ch ▁ 2 0 0 8 ). ▁These ▁however ▁were ▁isolated , ▁done ▁by ▁people ▁without ▁lingu istic ▁training , ▁and ▁sometimes ▁resulted ▁in ▁compet ing ▁systems ▁for ▁the ▁same ▁or ▁similar ▁languages . ▁ ▁One ▁of ▁the ▁challeng es ▁in ▁adapt ing ▁the ▁Latin ▁script ▁to ▁many ▁African ▁languages ▁was ▁the ▁use ▁in ▁those ▁tong ues ▁of ▁sounds ▁un famil iar ▁to ▁Europe