aaaa aaab aaal aaas aaba aabb aabl aabt aala aall aals aalu aasa aass aast aasu aata aatt aaus abaa abab abal abas abat abau abb- abba abbb abbs abbt abla abls abs- absa absl abss absu abta abts abtu abua abul abus abut alaa alal alas alat alau alb- alba albs albu all- alla alll alls allu alsa alst alta alts alua alus alut asaa asab asal asas asat asau asba asbu asla assa assl asss asst assu asta astb astl asts asub asus at-l at-t ataa atab atal atas atat atbs atla atls atsb atst atta atts attu atua atub atul atus auaa aul- aula aull auls ault aulu ausa aust ausu aut- auts baaa baal baas baat baba babb babs babu bala ball bals balt balu basa bass bast basu bata bats batt batu bau- baul bbas bbau bbbb bbbs bblb bbls blaa blab blas blat blau blbt blls blss blst blts blub blus blut bsaa bsas bsat bsts btaa btla btss bttb btus bual buat buba bubb bubs bubu bula bulb bull buls bult bulu busa buss bust busu but- buta buts butt buus laaa laal laas laat laba labs labu lala lall lalu lasa lass last lasu lata lats latt latu laub laul laus laut llat llbs llll lsat lsbu lsla lssa lsts ltbl ltsa luas luau luba lubs lula lull lulu lusa luss lust luta luts luua saab saal saas saat saba sabb sabs sabu sala sall sals salt salu sasa sasl sass sast sata satb satl sats satt satu saua saul saus saut sbaa sbas sbbs sbsa sbst sbus slaa slab slas slat slau slsa slst slsu slts slub slut ssaa ssab ssas ssat ssau ssla sslt sssa sssb ssss ssta sstb sstl ssts stab stal stas stat stau stbs stlt stss stub stul stus stut suas suat sub- suba subb subl subs sul- sula sull sult sulu sus- susa suss sust susu suta sutu suus taa- taal taas taat taba tabb tabl tabs tabu tala tall tals talu tasa tasb tass tast tasu tata tatb tats tatt tatu taua taub taul taus taut tbas tbbs tbst tbta tsaa tsal tsat tsau tssa tsst tsts ttab ttbb ttss tttt ttul tual tuas tuat tuba tubb tubs tubu tula tull tulu tusa tuss tust tuta tutl tuts tutt tutu uasa uata uatu uaua ubal ubba ubla ubls ulaa ulas ulla ulsa ulta ults ultt ulua ulul ulus us-a usaa usal usas usat usba usbl usbs uslu ussa ussb usss usst ussu usta ustb usts usua usul usus utal utas utau utsa utsl uttu uulu uuta uuuu