-ous a-ii a-iv aaaa aaab aaai aaar aaas aaav aaba aabb aabi aaib aaii aais aaoo aara aari aaro aars aaru aasa aasi aass aasu aaus aava abaa abab abai abar abas abau abb- abba abbb abbi abbo abbr abbs abia abib abir abis abiu aboa abob aboo abor abos abou abov abra abri abro abrs abs- absa absi abss absu abua abus abva aiai aias aiba aibo aiia aiib aiir aioi aira airi airo airs aisa aisb aisi aiso aisr aiui aiva aoba aora aorb aors aoss aous arab arai arar aras arau arba arbi arbs aria arib arii ario aris aroa arob aroi aroo aror aros arr- arra arri arro arrr arrs arru ars- arsa arsi arso arsu arua arub arui arva arvi arvo asaa asab asai asao asar asas asau asba asbo asbu asia asii asio asir asis asob asoi asor asos asou asra asro asrs asru assa assi asso assr asss assu asub asui asur asus asva asvs auaa auis aur- aura auri auro ausa ausu auvs avab avao avar avas avia avio avis aviv avor avos avou avra avri avro avui avur avus avva avvo ba-i baaa baar baas baba babb babi babo babr babs babu baia baib baio bair bais baos bar- bara barb bari baro barr bars baru basa basi baso bass basu bau- baur bava bavi bavu bbas bbau bbbb bbbs biao biar bias biba bibb bibi bibo bibs biis bio- bioi bios biou bira birb biri biro birr birs biru bis- bisa biso biss bisu bivi boab boai boar boas boba bobb bobi bobo bobs bobu boi- boii bois boiu boob boor boos bor- bora bori boro borr bors boru bosa bosi boso boss bosu boua bour bous bova bovi bovo brab brai brao bras brau brav bria brio bris broa brob broo bror bros brou brrr brrs brsb brsr brus bruv brvi bsaa bsas bsos bsra buar buba bubb bubi bubo bubs bubu buir buis buiu bur- bura burb buri buro burr burs buru busa busi buss busu buus iaaa iaai iaas iaba iaia iais iara iars iaru iasa iasi iaso iasr iava ibar ibas ibia ibis ibos ibra ibri ibro ibsa ibss ibus iias iiii iiio iiis iioi iioo iios iira iirs iisi iisr iisu ioba iobi ioii ioio iooi iooo ioos iora iori iors ioso iosu ious irai irao irar iras iri- iria irio iris irob irov irra irri irrs irsa irus irvs is-a isai isao isar isas isba isia isis iso- isor isos isra isri issa issi isso issr isss issu isua isus iuiu iura iuss ivai ivao ivar ivbv ivor ivrs oaau oais oara oars oasi oass oavs obai obas obba obbo obia obis oboi obor obos obra obri obro obsr obss obus obvi obvs oiav oiba oiii oios oira oisu ooaa ooba oobi ooia oooo ooos oora oosa oosi oous orab orai orao orar oras orav orba orbb orbi orbo orbs orbu ori- oria orio oris oro- oror oros orra orri orro orrs orsa orsi orso orsu orub orus orvr orvs osai osar osas osba osia osii osis osoi osoo osor osos osov osro ossa ossb ossi osso ossu oubs ouii ouir ouis our- oura ouro ours ousa ouu- ovar ovi- ovis ovo- ovoo ovra raab raas raba rabb rabi rabo rabs rabu raia raii rair rais raiu raob raos rara rarb rari raro rars rasa rasi raso rass rasu raua raub raus rava ravi rbbb rbbr rbbs rbis rbss riaa riab riai rias riau rib- riba ribo ribs ribu riia riis rios riou riri rirs risa risi riso riss risu rius riva rivo rivs roab roar roas rob- roba robb robi robo robs robu roia roio roir rois roiu roob rooi roor roos rora rori roro roru rosa rosi roso ross roua roub rous rova rovi rovo rovs rras rrrr rsaa rsai rsbi rsis rsos rssa rsua ruas ruba rubb rubi rubs rubu ruis rura ruri ruro rurs ruru rusa rusi ruso russ rusu ruvi ruvu s-ib s-ii s-iv s-os saab saar saas saba sabb sabi sabo sabr sabs sabu saia sair sais saiv saoi saor saos saou sara sari saro sarr sars saru sarv sasa sasi saso sass saua saur saus sava savi savo savs savu sbaa sbai sbar sbas sbbs sbia sbor sbsa sbsi sbus siaa siab siai sias siau siba sibi sibo sibs sibu sior sios siou sira siri siro sirr sirs siru sisa sisi siss sisu siui sius siva sivi soar soas soba sobo sobr sobs sobu soia soir sois soor soos sora sorb sori soro sorr sors soru sosa sosi soso soss sosv sour sous sova sovo sovs sovu sras srib sris sros srub ssaa ssab ssao ssas ssau ssbr ssis ssra ssri ssrs sssa sssb sssi ssss suar suas sub- suba subb subi subo subs suio suir suis suor suos sur- sura suri suro surr surs suru surv sus- susa susi suso suss susu suus suva suvi suvs svar svir svor uair uars uaru uasa uaua uavs ubar ubba ubbi ubbo ubii ubir ubis ubos ubra uira uirr uor- uovo urai urao uras urau urba urbi urbs uria urib uris uriu uro- uroa uroo urra urri ursa ursi urso urss ursu urur urus urva us-a usaa usar usas usba usbr usbs usia usis usoi usos usov usra ussa ussb ussr usss ussu usua usui usus uuri uusi uuuu uv-a uv-b uvaa uvas uvis uvri uvvu vaar vaas vabs vaia vaio vair vais vara vari varr vars varu vas- vasa vasi vaso vass vasu vaus vava vavs viar vias viau vibs viii vios vira virb viri viro virr viru visa visi viso viss visu viva vivi vivo voar voia voio voir vois voor vor- vora vori voro vors voru vosa vosi voso voss vosu vour vous vrai vras vrav vrba vria vrio vris vrsa vrsi vuir vurb vvob vvsb vvvv