aaaa aaab aaap aaar aaas aaba aabb aabp aabt aapa aaps aapt aara aarp aars aart aaru aasa aass aast aasu aata aatt aaup aaus abaa abab abap abar abas abat abau abb- abba abbb abbr abbs abbt abpa abpp abpr abps abra abrs abs- absa absp abss absu abta abts abtu abua abus abut apap apar apas apat apba apbr apbs appa appr apps appt appu apra aprs aprt apsa apss apsu apta apts aptt apua apup apus arab arap arar aras arat arau arba arbs arpa arps arpu arr- arra arrr arrs arrt arru ars- arsa arst arsu arta artr arts arua arub arup arut asaa asab asap asar asas asat asau asba asbu aspa aspr asps aspt asra asrs asru assa assp assr asss asst assu asta astb astp astr asts asub asur asus at-t ataa atab atap atar atas atat atbs atpr atra atrp atru atsb atst atta attp attr atts attu atua atub atur atus auaa aups aur- aura ausa aust ausu aut- auts baaa baar baas baat baba babb babr babs babu bapa bapp baps bapt bapu bar- bara barb barr bars bart baru basa bass bast basu bata bats batt batu bau- baur bbas bbau bbbb bbbs bbpr bpsa bpsu brab bras brat brau brrr brrs brsb brsr brst brup brus brut bsaa bsap bsas bsat bspp bspr bsra bsts bsup btaa btbp btps btrt btss bttb btus buar buat buba bubb bubs bubu bupa bups bur- bura burb burp burr burs burt buru busa buss bust busu but- buta buts butt buus paap paar paas paat paba pabt pabu papa papb papp papr paps par- para parp parr pars part paru pasa pasp pass past pata patr pats patt patu paua paup paur paus paut pbar pbpa pbrs pbsa pbsp ppap ppar pppa pppp ppps ppru ppss ppta ppts pptt ppur prar pras prat prau prbs prps prrs prsa prss prtp prtr prus prut pruu psap psas psat psbr psbt pspp pspr psps psrp pssa psst psts pstu ptab ptas ptsa puar puas pubs pubu pupa pups pupu pur- pura purb purp purr purs puru pusa puss pust put- puta puts putt putu raab raas raat raba rabb rabs rabu rapa rapp raps rapt rara rarb rars rasa rasp rass rast rasu rata ratp rats ratt ratu raua raub raup raus raut rbbb rbbr rbbs rbsp rbss rbst rpps rpta rpts rras rrat rrrr rrsp rsaa rspb rsps rssa rstp rsts rstu rsua rtas rtpa rtps rtss rttp rtts ruas ruba rubb rubp rubs rubu rupa rupp rupt rura rurp rurs ruru rusa russ rust rusu ruta ruts rutt rutu saab saap saar saas saat saba sabb sabr sabs sabu sapa sapp saps sara sarp sarr sars sart saru sasa sass sast sata satb satr sats satt satu saua saup saur saus saut sbaa sbar sbas sbbs sbsa sbsp sbst sbus sp-a spap spar spas spat spau spps sprs spsa spsp spss spst spta sptb sptr spts spur spus sput sras srps srpt srsp srta srtp srtr srub ssaa ssab ssap ssas ssat ssau ssbr sspa ssps sspt ssra ssrs sssa sssb ssss ssta sstb sstp ssts stab stap star stas stat stau stbs stpp stps stra strs stru stss sttr stub stup stur stus stut suar suas suat sub- suba subb subs sup- supa supp supr sups supt sur- sura surp surr surs surt suru sus- susa susp suss sust susu suta sutu suus taa- taar taas taat taba tabb tabs tabu tapa tapp tapr taps tapt tapu tara tarb tarp tarr tars tart taru tasa tasb tasp tasr tass tast tasu tata tatb tatr tats tatt tatu taua taub taur taus taut tbar tbas tbbs tbrb tbsp tbst tbta tbtp tpap tpau tppa tppp tppr tprs tpsa tptp tptr tput traa trab trap tras trat trau trpa trpp trps trra trst trtr trub trus trut truu tsaa tsar tsat tsau tsps tspt tssa tssr tsst tsts tsup ttab ttbb ttss tttt tuar tuas tuat tuba tubb tubr tubs tubu tupa tups tupu tura turb turp turr turs turt turu tusa tuss tust tuta tuts tutt tutu u-rp uars uart uaru uasa uasp uata uatu uaua ubar ubba ubra upar upas upat uppa uppp uppu upra upsa upup urap uras urat urau urba urbs urra ursa urss ursu urts urup urur urus urut us-a usaa usap usar usas usat usba usbr usbs uspa uspp usps usra ussa ussb ussr usss usst ussu usta ustb ustp usts usua usus utas utau utpa utsa uttu uuta uuuu