-ous a-fu aaaa aaab aaaf aaar aaas aaba aabb aabt aafa aafb aaff aaoo aara aaro aars aart aaru aasa aasf aass aast aasu aata aatf aatt aaus abaa abab abaf abar abas abat abau abb- abba abbb abbo abbr abbs abbt abff aboa abob abof aboo abor abos abot abou abra abro abrs abs- absa absf abss absu abta abts abtu abua abuf abus abut afaa afao afar afat afbs affa affo affs afft afoa afoo afor afr- afra afro afrs afru afsa afsb afst afta afts afua afus aoba aora aorb aors aort aoss aotf aouf aous aout arab araf arar aras arat arau arba arbs arfa arfb arff arfs arft arfu aroa arob aroo aror aros arr- arra arro arrr arrs arrt arru ars- arsa arso arst arsu arta arto artr arts arua arub arut asaa asab asaf asao asar asas asat asau asba asbo asbu asfa asob asof asor asos asot asou asra asro asrs asru assa asso assr asss asst assu asta astb asto astr asts asub asur asus at-t ataa atab atar atas atat atbs atfb atfs atob atof ator atos atot atra atro atru atsb atst atta atto attr atts attu atua atub atur atus auaa aufs aur- aura auro ausa aust ausu aut- auto auts baaa baaf baar baas baat baba babb babo babr babs babu baff bafo baft baos bar- bara barb barf baro barr bars bart baru basa basf baso bass bast basu bata batf bato bats batt batu bau- bauf baur bbas bbau bbbb bbbs bfas bffs bfsr bfta bfts bftt boab boar boas boat boba bobb bobo bobs bobu bofa boff bofs bofu boob boof boor boos boot bor- bora borf boro borr bors bort boru bosa boso boss bost bosu bota botb boto bots bott boua bouf bour bous bout brab braf brao bras brat brau brfu broa brob broo bror bros brot brou brrr brrs brsb brsr brst brus brut bsaa bsas bsat bsfa bsff bsfs bsos bsra bsts btaa btaf btob btor btrt btss bttb btus buar buat buba bubb bubo bubs bubu buff bufo bufr bur- bura burb buro burr burs burt buru busa buss bust busu but- buta buto buts butt buus faaa faas faba fabo fabs fabu fafa faff fafo fara farb faro farr fars fart faru fasa faso fass fast fata fatf fato fats fatt faur faut fbar fbrs fbus ffar ffff ffrr ffsa ffss fftf foaf foar foba fobs fobt fofo foof foos foot for- fora forb foro forr fors fort fosa fosb foso foss fost fota foto fots fott foua four fous fout frab fras frat frau frob fros frot frou frsb frso frst frta frub fsas fsfo fsra fssa fssf fsta ftos ftrs ftsa ftsr ftub fuar fuat fubb fubs fubu fuff fufu fuor fur- fura furo furr furs furt fusa fuso fuss fust fusu futa futo futs futu oaau oafo oafs oara oars oass oast oats obas obba obbo obor obos obot obra obro obsr obss obst obts obus ofas off- offa offo offr offs offu ofor ofra ofst ofta ofus ooaa ooba ooff oofs oooo ooos oora oort oosa oost ootb oots oous orab orao orar oras orat orba orbb orbo orbs orbu orff orfs orfu oro- orof oror oros orot orra orro orrs orsa orso orsu orta orto orts orub orus osaf osar osas osat osba osfa osoo osor osos osro ossa ossb osso ossu osta ostr osts otar otas otbs oto- otof otoo otor otos otra otro otrs otsa otso otsu otta otto otts ottu otur otus ouat oubs ouff our- oura ouro ours ourt ousa oust out- outa outb outo outs ouu- raab raaf raas raat raba rabb rabo rabs rabu rafa raff raft raob raos rara rarb rarf raro rars rasa raso rass rast rasu rata ratf rato rats ratt ratu raua raub rauf raus raut rbaf rbbb rbbr rbbs rbss rbst roab roaf roar roas roat rob- roba robb robo robs robt robu roff rofo roob roof roor roos root rora roro rort roru rosa roso ross rost rota roto rotr rots rott roua roub rouf rous rout rras rrat rrrr rsaa rsaf rsos rssa rsts rstu rsua rtas rtbf rtfb rtss rtts ruas ruba rubb rubs rubu rufa ruff rufo ruft rura ruro rurs ruru rusa ruso russ rust rusu ruta ruto ruts rutt rutu s-os saab saaf saar saas saat saba sabb sabo sabr sabs sabu safa safb saff safo safr saft safu saor saos saou sara sarf saro sarr sars sart saru sasa sasf saso sass sast sata satb sato satr sats satt satu saua sauf saur saus saut sbaa sbar sbas sbbs sbor sbot sbsa sbst sbus sfar sfas sfba sfor sfos sfra sfro sfss sfsu sfts soar soas soat soba sobo sobr sobs sobt sobu sofa sofo soft soof soor soos soot sora sorb soro sorr sors sort soru sosa soso soss sost sota soto sots sotu souf sour sous sout sraf sras sros srta srtr srub ssaa ssab ssao ssas ssat ssau ssbr ssot ssra ssrs sssa sssb sssf ssss ssta sstb ssts stab star stas stat stau stbs stfu stoa stob stof stoo stor stos stot stou stra stro strs stru stsf stss sttr stub stuf stur stus stut suar suas suat sub- suba subb subo subs suf- sufa suff sufr sufs sufu suor suos sur- sura surf suro surr surs surt suru sus- susa suso suss sust susu suta suto sutu suus taa- taaf taar taas taat taba tabb tabo tabs tabu tafa taff tafo taft taoa taor taos taou tara tarb tarf taro tarr tars tart taru tasa tasb tasr tass tast tasu tata tatb tato tatr tats tatt tatu taua taub taur taus taut tbaf tbar tbas tbbs tbrb tbst tbta tfot tfrs tfss toab toas toat toau toba tobo tobs tobt tobu tofa toff tofo toft tofu tooa toof toor toos toot tora torf toro torr tors tort toru tosa tosb toso toss tost tosu tota toto totr tots tott