a-fu aaaa aaab aaaf aaal aaas aaba aabb aabl aabt aafa aafb aaff aafl aala aall aals aalu aasa aasf aass aast aasu aata aatf aatt aaus abaa abab abaf abal abas abat abau abb- abba abbb abbs abbt abff abla abls abs- absa absf absl abss absu abta abts abtu abua abuf abul abus abut afaa afat afbs affa affs afft afla afsa afsb afst afta afts afua afus alaa alal alas alat alau alb- alba albs albu alfa alfs all- alla alll alls allu alsa alst alta alts alua aluf alus alut asaa asab asaf asal asas asat asau asba asbu asfa asla assa assl asss asst assu asta astb astl asts asub asus at-l at-t ataa atab atal atas atat atbs atfb atfs atla atls atsb atst atta atts attu atua atub atul atus auaa aufs aul- aula aulf aull auls ault aulu ausa aust ausu aut- auts baaa baaf baal baas baat baba babb babs babu baff baft bala balf ball bals balt balu basa basf bass bast basu bata batf bats batt batu bau- bauf baul bbas bbau bbbb bbbs bblb bbls bfas bffl bffs bfta bfts bftt blaa blab blas blat blau blbt blls blss blst blts blub bluf blus blut bsaa bsas bsat bsfa bsff bsfs bsts btaa btaf btla btss bttb btus bual buat buba bubb bubs bubu buff bula bulb bull buls bult bulu busa buss bust busu but- buta buts butt buus faaa faas faba fabs fabu fafa faff fala fall fals falt falu fasa fass fast fata fatf fats fatt faul faut fbla fbus ffff ffsa ffss fftf flab flat flts flub fluf flus fsas fssa fssf fsta ft-l ftlb ftsa ftub fuat fubb fubs fubu fuff fufu fula full fuls fulu fusa fuss fust fusu futa futs futu laaa laal laas laat laba labs labu lafb laff laft lala lall lalu lasa lass last lasu lata lats latt latu laub lauf laul laus laut lfat lfts llat llbs llll lsat lsbu lsla lssa lsts ltbf ltbl ltsa luas luau luba lubs luff luft lufu lula lull lulu lusa luss lust luta luts luua saab saaf saal saas saat saba sabb sabs sabu safa safb saff saft safu sala salf sall sals salt salu sasa sasf sasl sass sast sata satb satl sats satt satu saua sauf saul saus saut sbaa sbas sbbs sbsa sbst sbus sfas sfba sfla sfls sfss sfsu sfts slaa slab slaf slas slat slau slft slsa slst slsu slts slub slut ssaa ssab ssas ssat ssau ssfl ssla sslt sssa sssb sssf ssss ssta sstb sstl ssts stab stal stas stat stau stbs stfu stlt stsf stss stub stuf stul stus stut suas suat sub- suba subb subl subs suf- sufa suff sufs sufu sul- sula sulf sull sult sulu sus- susa suss sust susu suta sutu suus taa- taaf taal taas taat taba tabb tabl tabs tabu tafa taff taft tala tall tals talu tasa tasb tass tast tasu tata tatb tats tatt tatu taua taub taul taus taut tbaf tbas tbbs tbst tbta tfal tfss tsaa tsal tsat tsau tsfl tssa tssf tsst tsts ttab ttbb ttfa ttff ttss tttt ttul tual tuas tuat tuba tubb tubs tubu tufa tuff tuft tufu tula tull tulu tusa tuss tust tuta tutl tuts tutt tutu uafa uasa uata uatu uaua ubal ubba ubla ubls ubtf uffa ulaa ulas ulft ulla ulsa ulta ults ultt ulua ulul ulus us-a usaa usaf usal usas usat usba usbl usbs usfa usfl usfs uslu ussa ussb ussf usss usst ussu usta ustb usts usua usul usus utal utas utau utsa utsl uttu uulu uuta uutf uuuu