a-ak a-ya aaaa aaab aaas aaba aabb aaby aaka aasa aass abaa abab abak abas abax abay abb- abba abbb abbs abby abs- absa abss abys abyy akaa akas akay akka aksa asaa asab asak asas asay asba asby aska asks asky assa assk asss assy asya axys ayas ayay ayya ba-x baaa baak baas baba babb babs baby bak- baka baks basa bask bass baya bays bbas bbay bbbb bbbs bsaa bsas byas bysb byss bysy kaaa kaab kaak kaas kaay kaba kabb kaby kaka kakk kaks kakx kas- kasa kasb kask kass kasx kaxa kaya kays kbaa kbab kbak kbas kbay kbba kbbb kbbk kbbs kbkb kbkk kbky kbsa kbsb kbsk kbss kbsx kbsy kbxb kbxs kbxx kbya kbyb kbys kkaa kkay kkba kkbb kkbs kkkk kksa kkss kkxa kkxk kkxs kkxx kkya kkys kkyx kkyy ksab ksak ksas ksba ksbs ksby kska kskb kskk ksks kskx ksky kssa ksss kssx ksxy ksyy kxaa kxas kxba kxbx kxkk kxks kxkx kxsb kxss kxxk kxxx kyaa kyak kyay kyba kybb kyby kyka kykk kyks kykx kyky kysa kysk kysx kyxk kyxx kyxy kyya kyyk kyys kyyx kyyy sa-x saab saak saas saba sabb sabs saka sakb sakk saks saky sasa sask sass saxa saya says sbaa sbas sbbs sbsa skab skss sky- skys skyy ssaa ssab ssas ssby sssa sssb ssss syss syyk xxxx xxxy yaak yaas yaba yaka yaks yasa yask yass yaxa yaya yays ybas ybbs ysay ysby ysyb yyyy