a-do a-ii a-iv aaaa aaab aaad aaai aaar aaav aaba aabb aabd aabi aada aadi aadu aaib aaii aaoo aara aard aari aaro aaru aava abaa abab abad abai abar abau abb- abba abbb abbi abbo abbr abda abdi abdo abdu abia abib abid abir abiu aboa abob abod aboo abor abou abov abra abri abro abua abud abva abvd adaa adab adad adai adao adar adba adbi adda addd addi addo addr addu adia adib adio adir adob adod adoo ador adra adro adua adub adur advb advi aiai aiba aibo aida aidb aidi aidr aidu aiia aiib aiid aiir aioi aira aird airi airo aiud aiui aiva aivd aoba aora aorb arab arad arai arar arau arba arbi arda ardi ardo ardu aria arib arid arii ario aroa arob arod aroi aroo aror arr- arra arri arro arrr arru arua arub arud arui arva arvi arvo auaa audi audo aur- aura aurd auri auro avab avao avar avda avdi avia avid avio aviv avor avou avra avri avro avui avur avva avvo ba-i baaa baad baar baba babb babi babo babr babu bada badb badd badi bado badr badu baia baib baid baio bair bar- bara barb bard bari baro barr baru bau- baud baur bava bavi bavu bbad bbau bbbb bbdd bbdo bd-r bdav bdii biad biao biar biba bibb bibi bibo bida bidi bido bidr bidu bio- bioi biou bira birb bird biri biro birr biru bivi boab boad boai boar boba bobb bobi bobo bobu boda bodb bodi bodo bodu boi- boid boii boiu boob bood boor bor- bora bord bori boro borr boru boua boud bour bova bovi bovo brab brad brai brao brau brav brda brdo bria brid brio broa brob brod broo bror brou brrr brud bruv brvi buad buar buba bubb bubi bubo bubu buda budb budd budi budo budu buid buir buiu bur- bura burb burd buri buro burr buru buvd bvdu d-bo daab daad daar daau daba dabb dabo dabu dada dadi dado dadu daia daid daio dair daou dara darb dard dari daro darr daru daub daud daur dava davi dbar dddd ddub dia- diab diad diao diar diba dibb dibo dida didi dido didu diii diiv dior diou dira dird dirr diva divd divi divo doab doar doba dobb dobi dobu dod- doda dodd dodi dodo doid doob dood door dora dord dori doro dorr doru doub doud dour dovi draa drab drad drar drau drba drda drib drob drod drou drra drua drub drui druu druv duaa duab duad duar dub- duba dubb dubu duda dudd dudo dudu duid duir duo- dura duri duro duru duur duva dvar dvda dvdr dvi- dvii dvir dvoa dvor dvra iaaa iaai iaba iadb iaia iara iaru iava ibad ibar ibdo ibia ibid ibra ibrd ibri ibro idad idar idda iddo idia idid idio idir idra idro idub iduo idvd iida iiii iiio iioi iioo iira ioba iobi iod- ioda iodd iodo ioii ioio iooi iooo iora iori irad irai irao irar irda irdo iri- iria irid irio irob irod irov irra irri iuiu iura ivai ivao ivar ivbv ivda ivdr ivod ivor oaau oara obad obai obba obbo obia obid oboi obor obra obri obro obvi odai odbo odda oddd oddi odia odio odir odiu odoo odor odou odra odur odva oiav oiba oido oiii oira ooaa ooba oobi ooda oodi ooia ooid oooo oora oord orab orad orai orao orar orav orba orbb orbi orbo orbu orda ordo ordu ori- oria orid orio oro- oror orra orri orro orub orvr ouad ouii ouir our- oura ouro ouu- ovar ovda ovi- ovid ovo- ovod ovoo ovra raab raad raba rabb rabi rabo rabu rada radd rado radr radu raia raid raii rair raiu raob rara rarb rari raro raua raub raud rava ravi rbbb rbbr rdio riaa riab riad riai riau rib- riba ribo ribu rida ridd ridi rido riia riou riri riva rivo roab road roar rob- roba robb robi robo robu roda rodd rodi rodo roia roid roio roir roiu roob rood rooi roor rora rori roro roru roua roub roud rova rovi rovo rrad rrrr ruad ruba rubb rubi rubu ruda rudd rudi rudo ruid rura rurd ruri ruro ruru ruud ruvi ruvu uair uaru uaua ubar ubba ubbi ubbo ubid ubii ubir ubod ubra ubud udaa udad udar udau uddi udid udir udoo udra uira uirr uor- uovo urad urai urao urau urba urbi urda urdu uria urib uriu uro- uroa uroo urra urri urur urva uuri uuuu uv-a uv-b uvaa uvda uvid uvrd uvri uvvu vaad vaar vada vadi vado vadu vaia vaid vaio vair vara vard vari varr varu vaud vava vdio vdub viad viar viau vida vidi vido viii vira virb viri viro virr viru viva vivi vivo voad voar voda vodo voia void voio voir voor vor- vora vord vori voro voru voud vour vrai vrav vrba vrdi vria vrio vuda vudi vudu vuir vurb vvob vvvv