a-ak aaaa aaab aaas aaba aabb aabt aaka aaku aasa aass aast aasu aata aatk aatt aaus abaa abab abak abas abat abau abb- abba abbb abbs abbt abs- absa abss absu abta abts abtu abua abuk abus abut akaa akas akka akku aksa akst aksu akua asaa asab asak asas asat asau asba asbu aska asks askt assa assk asss asst assu asta astb asts asub asus at-t ataa atab atak atas atat atbs atka atkt atsb atst atta atts attu atua atub atuk atus auaa auks ausa aust ausu aut- auts baaa baak baas baat baba babb babs babu bak- baka baks bakt baku basa bask bass bast basu bata bats batt batu bau- bauk bbas bbau bbbb bbbs bsaa bsas bsat bskt bsts btaa btss bttb btus buat buba bubb bubs bubu buka bukk buku busa busk buss bust busu but- buta buts butt buus kaaa kaab kaak kaas kaat kaba kabb kabu kaka kakk kaks kakt kaku kas- kasa kasb kask kass kast kasu kat- kata katb katk kats katt katu kau- kaub kauk kaus kbaa kbab kbak kbas kbat kbba kbbb kbbk kbbs kbbt kbbu kbkb kbkk kbsa kbsb kbsk kbss kbst kbsu kbta kbtb kbtk kbts kbtt kbua kbub kbuk kbus kbut kbuu kkaa kkat kkba kkbb kkbs kkbt kkkk kksa kkss kkst kksu kktk kkts kktu kkua kkus kkut kkuu ksab ksak ksas ksat ksau ksba ksbs kska kskb kskk ksks ksku kssa ksss ksst kssu ksta kstb kstk ksts kstt kstu ksua ksub ksut ksuu ktaa ktak ktas ktat ktba ktbb ktbt ktbu ktkb ktkk ktks ktkt ktku ktsa ktst ktsu kttk ktts kttt kttu ktub kuat kuau kuba kubb kubs kubu kuka kukk kuks kuku kusa kusb kust kusu kuta kuts kutt kutu kuub kuuk kuuu saab saak saas saat saba sabb sabs sabu saka sakb sakk saks saku sasa sask sass sast sata satb sats satt satu saua sauk saus saut sbaa sbas sbbs sbsa sbst sbtk sbus skab skat skss skua skut ssaa ssab ssas ssat ssau sssa sssb ssss ssta sstb ssts stab stak stas stat stau stbs stks stss stub stuk stus stut suas suat sub- suba subb subs suka suks suku sus- susa susk suss sust susu suta sutu suus taa- taas taat taba tabb tabs tabu taka takk taks takt taku tasa tasb task tass tast tasu tata tatb tats tatt tatu taua taub tauk taus taut tbas tbbs tbst tbta tkts tsaa tsat tsau tsks tssa tsst tsts ttab ttbb ttss tttt tuak tuas tuat tuba tubb tubs tubu tuka tuks tusa tusk tuss tust tuta tuts tutt tutu uasa uata uatu uaua ubba ukba uksa ukta us-a us-k usaa usak usas usat usba usbs uska ussa ussb usss usst ussu usta ustb usts usua usus utas utau utsa uttu uuta uuuu