a-ii aaaa aaab aaai aaar aaas aaba aabb aabi aaib aaii aais aara aari aars aaru aasa aasi aass aasu aaus abaa abab abag abai abar abas abau abb- abba abbb abbi abbr abbs abia abib abig abir abis abiu abra abri abrs abs- absa absi abss absu abua abug abus agag agai agar agas agau agba agga aggi aggu agia agib agig agii agir agis agra agri agsa agsg agsu agua agui agur agus aiai aias aiba aiga aiia aiib aiir aira airi airs aisa aisb aisg aisi aisr aiui arab arag arai arar aras arau arba arbi arbs arga argb argi args aria arib arig arii aris arr- arra arrg arri arrr arrs arru ars- arsa arsi arsu arua arub arug arui asaa asab asag asai asar asas asau asba asbu asia asii asir asis asra asrg asrs asru assa assi assr asss assu asub asui asur asus auaa auga augi augs auis aur- aura auri ausa ausu auug ba-i baaa baar baas baba babb babi babr babs babu baga bagg bagi bags baia baib baig bair bais bar- bara barb barg bari barr bars baru basa basi bass basu bau- baug baur bbas bbau bbbb bbbs bbga bbrg bggs bgia biar bias biba bibb bibi bibs biga bigb bigg bigs bigu biis bira birb birg biri birr birs biru bis- bisa biss bisu brab brag brai bras brau bria brig bris brrr brrs brsb brsr brug brus bsaa bsas bsgs bsra buar buba bubb bubi bubs bubu buga bugg bugi bugs buir buis buiu bur- bura burb burg buri burr burs buru busa busi buss busu buus gaar gaas gaba gabb gabi gabr gabs gabu gaga gagg gagi gags gagu gaia gaig gair gais gaiu gara garb garg gari garr gars gasa gasb gasi gasr gass gaua gaub gaur gaus gbag gbas gbbs gggg ggss giaa giai gias giba gibb gibs giga gigg gigi gigs giis gira girg giri girr girs giru gisa giss giur gius grab grai gras grau grbr gria grib grig gris grrr grrs grss grua grub grug grui grur grus gsab gsis gsur guaa guag guar guba gubb gubi gubs gubu guga gugb gugg gugi gugu guia guib guis gura gurb gurg guri gurr gurs guru gusa gusb guss guus iaaa iaai iaas iaba iags iaia iais iara iars iaru iasa iasi iasr ibar ibas ibga ibia ibis ibra ibri ibsa ibss ibus igar igas igba igga iggs igia igis igra igri igua igus iias iiii iiis iira iirs iisi iisr iisu irai irar iras irgs iri- iria irig iris irra irri irrs irsa irsg irus is-a isai isar isas isba isia isis isra isrg isri issa issi issr isss issu isua isus iugs iuiu iura iuss raab raag raas raba rabb rabi rabs rabu raga ragg ragi rags ragu raia raig raii rair rais raiu rara rarb rari rars rasa rasi rass rasu raua raub raus rbbb rbbr rbbs rbis rbss rgba rgbi riaa riab riai rias riau rib- riba ribs ribu riga rigg rigi rigs rigu riia riis riri rirs risa risi riss risu rius rras rrrr rsaa rsai rsbi rsgb rsis rssa rsua ruag ruas ruba rubb rubi rubs rubu ruga rugg rugi rugs ruis rura ruri rurs ruru rusa rusi russ rusu s-ib s-ii saab saag saar saas saba sabb sabi sabr sabs sabu saga sagg sagi sags sagu saia sair sais sara sarg sari sarr sars saru sasa sasi sass saua saur saus sbaa sbai sbar sbas sbbs sbia sbig sbsa sbsi sbus sgaa sgau sggg sggs sgss siaa siab siag siai sias siau siba sibi sibs sibu siga sigg sigi sigs sira siri sirr sirs siru sisa sisi siss sisu siui sius sras srgb srib sris srub ssaa ssab ssas ssau ssbr ssgs ssis ssra ssrg ssri ssrs sssa sssb sssi ssss suar suas sub- suba subb subg subi subs sug- suga sugg sugi suig suir suis sur- sura surg suri surr surs suru sus- susa susi suss susu suus uair uars uaru uasa uaua ubar ubba ubbi ubii ubir ubis ubra ugab ugar uggs ugia ugis ugra ugri ugur uguu uira uirr urai uras urau urba urbi urbs urga urgi urgu uria urib uris uriu urra urri ursa ursi urss ursu urur urus us-a usaa usag usar usas usba usbr usbs usga usia usis usra ussa ussb ussr usss ussu usua usui usus uuri uusi uuuu