a-fu aaaa aaab aaaf aaal aaas aaba aabb aabl aafa aafb aaff aafl aala aall aals aalu aasa aasf aass aasu aaus abaa abab abaf abal abas abau abb- abba abbb abbs abff abla abls abs- absa absf absl abss absu abua abuf abul abus abza abzu afaa afbs affa affs afla afsa afsb afua afus alaa alal alas alau alaz alb- alba albs albu alfa alfs all- alla alll alls allu alsa alua aluf alus alza asaa asab asaf asal asas asau asba asbu asfa asla assa assl asss assu asub asus auaa aufs aul- aula aulf aull auls aulu ausa ausu aza- azab azal azas azaz azua azul azza baaa baaf baal baas baaz baba babb babs babu baff bala balf ball bals balu basa basf bass basu bau- bauf baul baza bbas bbau bbbb bbbs bblb bbls bfas bffl bffs blaa blab blas blau blaz blls blss blub bluf blus bsaa bsas bsfa bsff bsfs bual buba bubb bubs bubu buff bula bulb bull buls bulu bulz busa buss busu buus buuz buza buzz bzzz faaa faas faba fabs fabu fafa faff fala fall fals falu falz fasa fass faul faza fazl fbla fbus ffff ffsa ffss flab flaz flub fluf flus fsas fssa fssf fubb fubs fubu fuff fufu fula full fuls fulu fusa fuss fusu fuzz laaa laal laas laba labs labu lafb laff lala lall lalu lasa lass lasu laub lauf laul laus laza lazu llbs llll lsbu lsla lssa luas luau luaz luba lubs luff lufu lula lull lulu lulz lusa luss luua luza saab saaf saal saas saaz saba sabb sabs sabu sabz safa safb saff safu sala salf sall sals salu salz sasa sasf sasl sass saua sauf saul saus saza sbaa sbas sbbs sbsa sbus sfas sfba sfla sfls sfss sfsu slaa slab slaf slas slau slsa slsu slub ssaa ssab ssas ssau ssfl ssla sssa sssb sssf ssss suas sub- suba subb subl subs subz suf- sufa suff sufs sufu sul- sula sulf sull sulu sulz sus- susa suss susu susz suus suza suzu suzz szla szss uafa uasa uaua ubal ubba ubla ubls uffa ulaa ulas ulla ulsa ulua ulul ulus us-a usaa usaf usal usas usba usbl usbs usfa usfl usfs uslu ussa ussb ussf usss ussu usua usul usus usza uulu uuuu uzal uzbl uzsa zaal zaba zabu zafu zal zala zalu zasu zaza zazu zbus zsss zubu zula zull zulu zulz zuul zuzu zzzs zzzz