-ous aaaa aaab aaal aaar aaas aaba aabb aabl aala aall aalo aals aalu aaoo aara aaro aars aaru aasa aass aasu aaus abaa abab abal abar abas abau abb- abba abbb abbo abbr abbs abla ablo abls aboa abob abol aboo abor abos abou abra abro abrs abs- absa absl abss absu abua abul abus alaa alal alao alar alas alau alb- alba albo albs albu all- alla alll allo allr alls allu aloa alol aloo alor alos alou alro alsa also alua alur alus aoba aola aora aorb aors aoss aoul aous arab aral arar aras arau arba arbs arla arlo aroa arob aroo aror aros arr- arra arro arrr arrs arru ars- arsa arso arsu arua arub arul asaa asab asal asao asar asas asau asba asbo asbu asla aslo aslr asob asor asos asou asra asro asrs asru assa assl asso assr asss assu asub asur asus auaa aul- aula aull aulo auls aulu auol aur- aura auro ausa ausu baaa baal baar baas baba babb babo babr babs babu bala ball balo bals balu baol baos bar- bara barb baro barr bars baru basa baso bass basu bau- baul baur bbas bbau bbbb bbbs bblb bbls blaa blab blas blau blls blob bloo blou blss blub blur blus boab boal boar boas boba bobb bobo bobs bobu bola boll bolo bols bolu boob bool boor boos bor- bora boro borr bors boru bosa boso boss bosu boua boul bour bous brab brao bras brau brls broa brob brol broo bror bros brou brrr brrs brsb brsr brus bsaa bsas bsos bsra bual buar buba bubb bubo bubs bubu bula bulb bull buls bulu buol bur- bura burb burl buro burr burs buru busa buss busu buus laaa laal laar laas laba labo labr labs labu lala lall lalo lalu laos laou lara larb larr lars laru lasa laso lass lasu laub laul laur laus lbar lblr lbos lbrs llao llbs llll lloa lloo loar loas lob- loba lobb lobo lobs lola loll lolo lols loob lool loor loos lora loro lors losa loso loss loul lour lous louu lral lrba lrrr ls-r lsbu lsla lssa lsso lssr luas luau luba lubs lula lull lulu lura lurs lusa luso luss luua oaau oall oara oars oasl oass obal obas obba obbo obla obls oblu obol obor obos obra obro obsr obss obus olar olas olba olbo olla ollo olor olos olur ooaa ooba oola oolo oooo ooos oora oosa oous orab oral orao orar oras orba orbb orbo orbs orbu orla orlo orlu oro- oror oros orra orro orrs orsa orso orsu orub orus osar osas osba osla oslo osoo osor osos osro ossa ossb osso ossu osul oubs oula ouls oulu our- oura ouro ours ousa ouu- raab raas raba rabb rabl rabo rabs rabu rala ralb rall ralo raob raol raos rara rarb raro rars rasa rasl raso rass rasu raua raub raul raus rbbb rbbr rbbs rbsl rbss rlab rlls rlua roab roar roas rob- roba robb robo robs robu rola roll rolo roob rool roor roos rora roro roru rosa roso ross roua roub roul rous rras rrrr rsaa rsos rssa rssl rsua ruas ruba rubb rubs rubu rula rull rulo rura ruro rurs ruru rusa ruso russ rusu s-os saab saal saar saas saba sabb sabo sabr sabs sabu sala sall salo sals salu saol saor saos saou sara sarl saro sarr sars saru sasa sasl saso sass saua saul saur saus sbaa sbar sbas sbbs sbor sbsa sbus slaa slab slas slau slob sloo slos slrs slsa slsu slub slur soal soar soas soba sobo sobr sobs sobu sola soll solo solr sols sool soor soos sora sorb soro sorr sors soru sosa soso soss soul sour sous sras sros srub ssaa ssab ssao ssas ssau ssbr ssla ssra ssrl ssrs sssa sssb ssss suar suas sub- suba subb subl subo subs sul- sula sull sulo sulu suor suos sur- sura suro surr surs suru sus- susa suso suss susu suus uars uaru uasa uaua ubal ubar ubba ubbo ubla ublo ubls ubos ubra ulaa ular ulas ulla ullo ullr ulo- ulos ulsa ulua ulul ulus uor- ural urao uras urau urba urbs urla urls uro- uroa urol uroo urra ursa urso urss ursu urur urus us-a usaa usal usar usas usba usbl usbr usbs uslu usos usra ussa ussb ussr usss ussu usua usul usus uulu uuuu