a-ak aaaa aaaf aaar aaav aafa aaff aaka aara aava afaa afak afar affa afka afkr afr- afra akaa akar akka akr- akra araf arak arar arfa arff arka arr- arra arrk arrr arva avar avra avva f--k faaa fafa faff fara fark farr fava ffar ffff ffrr fr-v frak kaaa kaaf kaak kaar kafa kaff kafr kaka kakk kara karf kark karr karv kava kavv kfar kfav kffa kfff kffk kffv kfka kfra kfrr kfvr kkaa kkar kkfr kkkk kkrf kkrk kkrr kkrv kkvr kkvv krak krar krav krff krka krkk krkr krkv krrf krrk krrr krva krvf krvk krvr krvv kvak kvar kvra kvrf kvrr kvrv kvvf kvvr kvvv raaf raak rafa raff raka rakk rara rarf rark rava rkkf rrrr vaar vafa vaka vara varf vark varr vava vrak vrav vvvv