a-ak aaaa aaaf aaar aaas aafa aaff aaka aara aars aasa aasf aass afaa afak afar affa affs afka afkr afr- afra afrs afsa akaa akar akas akka akr- akra aksa araf arak arar aras arfa arff arfs arka arks arr- arra arrk arrr arrs ars- arsa arsk asaa asaf asak asar asas asfa aska askr asks asra asrs assa assk assr asss f--k faaa faas fafa faff fara fark farr fars fasa fass ffar ffff ffrr ffsa ffss frak fras fsas fsra fssa fssf kaaa kaaf kaak kaar kaas kafa kaff kafr kafs kaka kakk kaks kara karf kark karr kars kas- kasa kasf kask kasr kass kfar kffa kfff kffk kfka kfra kfrr kfrs kfsa kfsk kfsr kkaa kkar kkfr kkfs kkkk kkrf kkrk kkrr kkrs kksa kksf kksr kkss krak krar kras krff krfs krka krkk krkr krks krrf krrk krrr krrs krsa krsf krsk krsr krss ksaf ksak ksar ksas ksfa ksfr kska kskf kskk kskr ksks ksra ksrf ksrr ksrs kssa kssr ksss raaf raak raas rafa raff raka rakk rara rarf rark rars rasa rask rass rkkf rkss rras rrrr rsaa rsaf rssa saaf saak saar saas safa saff safr saka sakk saks sara sarf sark sarr sars sasa sasf sask sass sfar sfas sfra sfss skaf skar skra skss sraf sras ssaa ssas ssra ssrs sssa sssf ssss