a-ii a-iv aaaa aaab aaad aaai aaar aaas aaav aaba aabb aabd aabi aada aadi aads aadu aaib aaii aais aara aard aari aars aaru aasa aasd aasi aass aasu aaus aava abaa abab abad abai abar abas abau abb- abba abbb abbi abbr abbs abda abdi abdu abia abib abid abir abis abiu abra abri abrs abs- absa absd absi abss absu abua abud abus abva abvd adaa adab adad adai adar adas adba adbi adda addd addi addr adds addu adia adib adir adis adra adrs adsa adsi adsr adss adua adub adur advb advi advs aiai aias aiba aida aidb aidi aidr aids aidu aiia aiib aiid aiir aira aird airi airs aisa aisb aisd aisi aisr aiud aiui aiva aivd arab arad arai arar aras arau arba arbi arbs arda ardi ards ardu aria arib arid arii aris arr- arra arri arrr arrs arru ars- arsa arsd arsi arsu arua arub arud arui arva arvi asaa asab asad asai asar asas asau asba asbu asda asds asia asii asir asis asra asrs asru assa assd assi assr asss assu asub asud asui asur asus asva asvd asvs auaa audi auis aur- aura aurd auri ausa ausd ausu auvs avab avar avas avda avdi avia avid avis aviv avra avri avui avur avus avva ba-i baaa baad baar baas baba babb babi babr babs babu bada badb badd badi badr bads badu baia baib baid bair bais bar- bara barb bard bari barr bars baru basa basi bass basu bau- baud baur bava bavi bavu bbad bbas bbau bbbb bbbs bbdd bd-r bdav bdii bdsd biad biar bias biba bibb bibi bibs bida bidi bidr bids bidu biis bira birb bird biri birr birs biru bis- bisa bisd biss bisu bivi brab brad brai bras brau brav brda brds bria brid bris brrr brrs brsb brsr brud brus bruv brvi bsaa bsas bsbd bsra bsrd bssd buad buar buba bubb bubi bubs bubu buda budb budd budi buds budu buid buir buis buiu bur- bura burb burd buri burr burs buru busa busi buss busu buus buvd bvds bvdu daab daad daar daas daau daba dabb dabs dabu dada dadi dads dadu daia daid dair dais dara darb dard dari darr dars daru dasa dasb dasd dasi dass daub daud daur daus dava davi dbar dbas dbrs dbsa dbss dbus dddd ddss ddub dia- diab diad diar dias diba dibb dibs dida didi dids didu diii diis diiv dira dird dirr dirs dis- disa disd disi diss dius diva divd divi divs draa drab drad drar dras drau drba drda drib drra drrs drsa drua drub drui drus druu druv dsba dsda dsdr dsri dsrr dssa dssi dsvd duaa duab duad duar duas dub- duba dubb dubs dubu duda dudd duds dudu duid duir duis dura duri duru dusa dusi duur duva dvar dvas dvbs dvda dvdr dvds dvi- dvii dvir dvra dvrs dvsr iaaa iaai iaas iaba iadb iaia iais iara iars iaru iasa iasi iasr iava ibad ibar ibas ibia ibid ibis ibra ibrd ibri ibsa ibss ibus idad idar idas idda idia idid idir idis idra idsa idss idub idus idvd iias iida iiii iiis iira iirs iisd iisi iisr iisu irad irai irar iras irda irds iri- iria irid iris irra irri irrs irsa irus irvs is-a isad isai isar isas isba isbd isda isdb isds isia isis isra isri issa issi issr isss issu isua isus iuds iuiu iura iusd iuss ivai ivar ivbv ivda ivdr ivrs raab raad raas raba rabb rabi rabs rabu rada radd radr rads radu raia raid raii rair rais raiu rara rarb rari rars rasa rasd rasi rass rasu raua raub raud raus rava ravi rbbb rbbr rbbs rbds rbis rbsd rbss rdas rdvs riaa riab riad riai rias riau rib- riba ribs ribu rida ridd ridi rids riia riis riri rirs risa risd risi riss risu rius riva rivs rrad rras rrrr rsaa rsai rsbi rsdd rsds rsid rsis rssa rsua ruad ruas ruba rubb rubi rubs rubu ruda rudd rudi ruds ruid ruis rura rurd ruri rurs ruru rusa rusi russ rusu ruud ruvi ruvu s-ib s-ii s-iv saab saad saar saas saba sabb sabi sabr sabs sabu sada sadb sadd sadi sadr sads sadu saia said sair sais saiv sara sard sari sarr sars saru sarv sasa sasd sasi sass saua saud saur saus sava savi savs savu sbaa sbai sbar sbas sbbs sbds sbia sbsa sbsd sbsi sbus sdau sdba sdds sdib sdrs sdss sdsu siaa siab siai sias siau siba sibi sibs sibu sida sidd sidi sidr sids sira siri sirr sirs siru sisa sisd sisi siss sisu siui sius siva sivi sras srib sris srsd srub ssaa ssab ssas ssau ssbr ssdd ssid ssis ssra ssri ssrs sssa sssb sssi ssss suar suas sub- suba subb subd subi subs suda sudd sudi suds suid suir suis sur- sura surd suri surr surs suru surv sus- susa susd susi suss susu suus suva suvi suvs svar svir uair uars uaru uasa uasd uaua uavs ubar ubba ubbi ubid ubii ubir ubis ubra ubud udaa udad udar udas udau uddi udds udid udir udra udsd uira uirr uisd urad urai uras urau urba urbi urbs urda urds urdu uria urib uris uriu urra urri ursa ursi urss ursu urur urus urva us-a usaa usad usar usas usba usbr usbs usda usds usia usis usra ussa ussb ussr usss ussu usua usui usus uuri uusi uuuu uv-a uv-b uvaa uvas uvda uvid uvis uvrd uvri uvvu vaad vaar vaas vabs vada vadi vads vadu vaia vaid vair vais vara vard vari varr vars varu vas- vasa vasi vass vasu vaud vaus vava vavs vdsi vdub viad viar vias viau vibs vida vidi vids viii vira virb viri virr viru visa visd visi viss visu viva vivi vrai vras vrav vrba vrdi vria vris vrsa vrsi vuda vudi vudu vuir vurb vvsb vvvv