-ous aaaa aaab aaap aaar aaas aaba aabb aabp aabt aaoo aapa aapo aaps aapt aara aaro aarp aars aart aaru aasa aass aast aasu aata aatt aaup aaus abaa abab abap abar abas abat abau abb- abba abbb abbo abbr abbs abbt aboa abob aboo abor abos abot abou abpa abpp abpr abps abra abro abrs abs- absa absp abss absu abta abts abtu abua abus abut aoba aopo aora aorb aors aort aosp aoss aous aout apao apap apar apas apat apba apbr apbs apo- apoo apop apor apos apot apou appa appr apps appt appu apra apro aprs aprt apsa apso apss apsu apta apts aptt apua apup apus arab arap arar aras arat arau arba arbs aroa arob aroo aror aros arpa arps arpu arr- arra arro arrr arrs arrt arru ars- arsa arso arst arsu arta arto artr arts arua arub arup arut asaa asab asao asap asar asas asat asau asba asbo asbu asob asop asor asos asot asou aspa aspo aspr asps aspt asra asro asrs asru assa asso assp assr asss asst assu asta astb asto astp astr asts asub asur asus at-t ataa atab atap atar atas atat atbs atob atop ator atos atot atpr atra atro atrp atru atsb atst atta atto attp attr atts attu atua atub atur atus auaa aups aur- aura auro ausa aust ausu aut- auto auts baaa baar baas baat baba babb babo babr babs babu baos bapa bapp baps bapt bapu bar- bara barb baro barr bars bart baru basa baso bass bast basu bata bato bats batt batu bau- baur bbas bbau bbbb bbbs bbpr boab boar boas boat boba bobb bobo bobs bobu boob boop boor boos boot bopa bopp bops bor- bora boro borr bors bort boru bosa boso boss bost bosu bota botb boto bots bott boua boup bour bous bout bpot bpsa bpsu brab brao bras brat brau broa brob broo bror bros brot brou brrr brrs brsb brsr brst brup brus brut bsaa bsap bsas bsat bsos bspp bspr bsra bsts bsup btaa btbp btob btor btps btrt btss bttb btus buar buat buba bubb bubo bubs bubu bupa bups bur- bura burb buro burp burr burs burt buru busa buss bust busu but- buta buto buts butt buus oaau oaps oara oars oass oast oats obas obba obbo obor obos obot obra obro obsr obss obst obts obus ooaa ooba oooo ooos oops oora oort oosa oost ootb ootp oots oous opap opar opo- opor opos oppa oppo opps opra opsa opsu opto opts opua opus orab orao orar oras orat orba orbb orbo orbs orbu oro- oror oros orot orps orra orro orrs orsa orso orsu orta orto orts orub orup orus osap osar osas osat osba osbp osoo osor osos osro ossa ossb osso ossu osta ostr osts otap otar otas otbs oto- otoo otor otos otpp otra otro otrs otsa otso otsu otta otto otts ottu otur otus ouat oubs oupa our- oura ouro ours ourt ousa oust out- outa outb outo outs ouu- paap paar paas paat paba pabt pabu paos papa papb papp papr paps par- para paro parp parr pars part paru pasa paso pasp pass past pata pato patr pats patt patu paua paup paur paus paut pbar pbpa pbrs pbsa pbsp poar poas poat poba pobo pobs poop poor poos poot pop- popa popo popp pops popt pora porb poro porr pors port posa posb poso poss post pota poto pots pott potu poup pour pous pout ppap ppar ppoa ppos pppa pppo pppp ppps ppru ppss ppta ppts pptt ppur prao prar pras prat prau prbs pro- proa prob proo prop pros prot prou prps prrs prsa prso prss prtp prtr prus prut pruu psap psas psat psbr psbt psoa psos psou pspp pspr psps psrp pssa psso psst psts pstu ptab ptas ptop ptsa puao puar puas pubs pubu pupa pups pupu pur- pura purb puro purp purr purs puru pusa puss pust put- puta puto puts putt putu raab raas raat raba rabb rabo rabs rabu raob raop raos rapa rapp raps rapt rara rarb raro rars rasa raso rasp rass rast rasu rata rato ratp rats ratt ratu raua raub raup raus raut rbbb rbbr rbbs rbsp rbss rbst roab roap roar roas roat rob- roba robb robo robs robt robu roob roop roor roos root ropa ropo rops rora roro rort roru rosa roso rosp ross rost rota roto rotr rots rott roua roub roup rous rout rpob rpos rpps rpta rpts rras rrat rrrr rrsp rsaa rsos rspb rspo rsps rssa rstp rsts rstu rsua rtas rtpa rtps rtss rttp rtts ruas ruba rubb rubp rubs rubu rupa rupp rupt rura ruro rurp rurs ruru rusa ruso russ rust rusu ruta ruto ruts rutt rutu s-os saab saap saar saas saat saba sabb sabo sabr sabs sabu saor saos saou sapa sapo sapp saps sara saro sarp sarr sars sart saru sasa saso sass sast sata satb sato satr sats satt satu saua saup saur saus saut sbaa sbar sbas sbbs sbor sbot sbsa sbsp sbst sbus soap soar soas soat soba sobo sobp sobr sobs sobt sobu soop soor soos soot sopa sopo sopp sops sopu sora sorb soro sorr sors sort soru sosa soso soss sost sota soto sotp sots sotu soup sour sous sout sp-a spap spar spas spat spau spoo spop spor spos spot spps spro sprs spsa spso spsp spss spst spta sptb spto sptr spts spur spus sput sras sros srps srpt srsp srta srtp srtr srub ssaa ssab ssao ssap ssas ssat ssau ssbr ssop ssot sspa sspo ssps sspt ssra ssrs sssa sssb ssss ssta sstb sstp ssts stab stap star stas stat stau stbs stoa stob stoo stop stor stos stot stou stpp stps stra stro strs stru stss sttr stub stup stur stus stut suar suas suat sub- suba subb subo subs suor suos sup- supa supo supp supr sups supt sur- sura