-ous aaaa aaab aaam aaar aaas aaba aabb aabm aama aamb aamo aamr aams aaoo aara aarm aaro aars aaru aasa aasm aass aasu aaus abaa abab abam abar abas abau abb- abba abbb abbo abbr abbs abma abmb abms aboa abob aboo abor abos abou abra abro abrs abs- absa abss absu abua abum abus amaa amam amar amas amb- amba ambo ambr ambs ambu amm- amma ammo ammu amob amoo amor amos amou amra amro amsa amso amss amua amum amur aoba aoma aora aorb aors aoss aous arab aram arar aras arau arba arbs arma armm armo arms armu aroa arob arom aroo aror aros arr- arra arro arrr arrs arru ars- arsa arso arsu arua arub arum asaa asab asam asao asar asas asau asba asbm asbo asbu asma asmm asmr asms asob asom asor asos asou asra asrm asro asrs asru assa asso assr asss assu asub asum asur asus auaa auma aur- aura auro ausa ausm ausu baaa baam baar baas baba babb babm babo babr babs babu bama bamb bamm bams bamu baos bar- bara barb barm baro barr bars baru basa baso bass basu bau- baum baur bbas bbau bbbb bbbs bmaa bmus boab boar boas boba bobb bobo bobs bobu boma bomb boms bomu boob boom boor boos bor- bora borm boro borr bors boru bosa bosm boso boss bosu boua boum bour bous brab bram brao bras brau broa brob brom broo bror bros brou brrm brrr brrs brsb brsr brum brus bsaa bsam bsas bsms bsos bsra bsrm bssm buar buba bubb bubo bubs bubu bum- buma bumb bums bur- bura burb burm buro burr burs buru busa buss busu buus maaa maam maar maas maba mabo mabs mabu mama mamo mams mamu maor maos mar- mara marm maro marr mars maru masa masr mass masu maua maum maur maus mbam mbas mbba mbbs mbms mbou mbrs mbus mmaa mmab mmar mmas mmmm mmms mmor mmsu mmus moaa moab moam moar moas moba mobb mobo mobs moma momo moms momu mooa moob moor moos mora morb moro mors moru mosa moso moss mosu mour mous mras mrbb mrbm mrbs mrsa msaa msar msas msau msba msma msmb msmm msms msmu msoa msor msra msrb mssa mssm mssr msus muar mubo mubs muma mumm mumo mums mumu muos mura muro murr murs muru musa muso muss musu oaau oama oams oara oars oass obas obba obbo obor obos obra obro obsr obss obus omam omao omar omas ombo ombu omma omo- omoa omoo omor omra omro omsa omuo omus ooaa ooba ooma ooms oooo ooos oora oosa oous orab oram orao orar oras orba orbb orbo orbs orbu orma ormo oro- orom oror oros orra orro orrs orsa orso orsu orub orum orus osam osar osas osba osm- osmo osoo osor osos osro ossa ossb osso ossu osum oubs ouma our- oura ouro ours ousa ouu- raab raam raas raba rabb rabo rabs rabu rama ramb ramm ramo rams ramu raob raom raos rara rarb raro rars rasa rasm raso rass rasu raua raub raum raus rbbb rbbr rbbs rbms rbss rmas rmbs roab roam roar roas rob- roba robb robo robs robu roma romb romm romo roms roob room roor roos rora roro roru rosa roso ross roua roub roum rous rras rrrr rrum rsaa rsma rsos rssa rsua rsum ruas ruba rubb rubs rubu ruma rumb rumm rumo rums rura ruro rurs ruru rusa ruso russ rusu s-os saab saam saar saas saba sabb sabo sabr sabs sabu sam- sama samm samo sams samu saor saos saou sara sarm saro sarr sars saru sasa sasm saso sass saua saum saur saus sbaa sbar sbas sbbs sbma sbor sbsa sbus smaa smas smba smos smss smur smus soam soar soas soba sobo sobr sobs sobu soma somb somm somo soom soor soos sora sorb sorm soro sorr sors soru sosa soso soss soum sour sous sram sras sros srub ssaa ssab ssam ssao ssas ssau ssbr ssra ssrm ssrs sssa sssb sssm ssss suam suar suas sub- suba subb subm subo subs sum- suma sumo sums sumu suor suos sur- sura suro surr surs suru sus- susa suso suss susu suum suus uams uars uaru uasa uaua ubar ubba ubbo ubos ubra umaa umar umas umb- umba umbo umma ummo umms umor umra umsa umsu umus uomo uor- urao uras urau urba urbs urma uro- uroa urom uroo urra ursa urso urss ursu urum urur urus us-a usaa usar usas usba usbr usbs usma usmm usms usos usra ussa ussb ussr usss ussu usua usus uuuu