a-ii aaaa aaab aaad aaai aaar aaas aaba aabb aabd aabi aabt aada aadi aads aadt aaib aaii aais aara aard aari aars aart aasa aasd aasi aass aast aata aatt abaa abab abad abai abar abas abat abb- abba abbb abbi abbr abbs abbt abda abdi abia abib abid abir abis abit abra abri abrs abs- absa absd absi abss abta abts adaa adab adad adai adar adas adat adba adbi adda addd addi addr adds adia adib adir adis adit adra adrs adsa adsi adsr adss adst adta adts aiai aias aiba aida aidb aidi aidr aids aidt aiia aiib aiid aiir aira aird airi airs airt aisa aisb aisd aisi aisr aist aita aiti aitr aits aitt arab arad arai arar aras arat arba arbi arbs arda ardi ards aria arib arid arii aris arit arr- arra arri arrr arrs arrt ars- arsa arsd arsi arst arta arti artr arts asaa asab asad asai asar asas asat asba asda asds asia asii asir asis asit asra asrs assa assd assi assr asss asst asta astb asti astr asts at-t ataa atab atad atai atar atas atat atbs atdi atdt atia atid atis atit atra atri atsb atsi atst atta atti attr atts ba-i baaa baad baar baas baat baba babb babi babr babs bada badb badd badi badr bads baia baib baid bair bais bait bar- bara barb bard bari barr bars bart basa basi bass bast bata bati bats batt bbad bbas bbbb bbbs bbdd bd-r bdii bdsd biad biar bias biat biba bibb bibi bibs bida bidi bidr bids biis bira birb bird biri birr birs birt bis- bisa bisd biss bist bita bitd bits bitt brab brad brai bras brat brda brds brdt bria brid bris brit brrr brrs brsb brsr brst bsaa bsas bsat bsbd bsra bsrd bssd bsts btaa btdt btrt btss bttb daab daad daar daas daba dabb dabs dabt dada dadi dads daia daid dair dais dait dara darb dard dari darr dars dart dasa dasb dasd dasi dass dast data dati datr dats datt dbar dbas dbit dbrs dbsa dbss dbtt dddd ddss ddts dia- diab diad diar dias diat diba dibb dibs dida didi dids diii diis dira dird dirr dirs dirt dis- disa disd disi diss dist dita diti dits ditt draa drab drad drar dras drat drba drda drib drit drra drrs drsa dsba dsda dsdr dsri dsrr dssa dssi dsst dsts dtaa dtss iaaa iaai iaas iaat iaba iadb iadt iaia iais iara iars iart iasa iasi iasr iata iati ibad ibar ibas ibat ibia ibid ibis ibra ibrd ibri ibsa ibss ibtb ibts idad idar idas idat idda idia idid idir idis idra idsa idss idta idts iias iida iiii iiis iiit iira iirs iisd iisi iisr iist iita iitr iitt irad irai irar iras irda irds iri- iria irid iris irra irri irrs irsa irta irti irts is-a isad isai isar isas isat isba isbd isbt isda isdb isds isia isis isit isra isri issa issi issr isss ista istd isti istr ists itaa itai itar itas itat itbs itia itis itra itri itrs itsa itsi itta raab raad raas raat raba rabb rabi rabs rada radd radr rads radt raia raid raii rair rais rait rara rarb rari rars rasa rasd rasi rass rast rata rati rats ratt rbbb rbbr rbbs rbds rbis rbsd rbss rbst rdas riaa riab riad riai rias riat rib- riba ribs rida ridd ridi rids riia riis riri rirs risa risd risi riss rist rita riti rits ritt rrad rras rrat rrrr rsaa rsai rsbi rsdd rsds rsid rsis rssa rsts rtai rtas rtdt rtss rtts s-ib s-ii saab saad saar saas saat saba sabb sabi sabr sabs sada sadb sadd sadi sadr sads sadt saia said sair sais sait sara sard sari sarr sars sart sasa sasd sasi sass sast sata satb satd sati satr sats satt sbaa sbai sbar sbas sbbs sbds sbia sbsa sbsd sbsi sbst sdba sdds sdib sdrs sdss siaa siab siai sias siat siba sibi sibs sida sidd sidi sidr sids siit sira siri sirr sirs sirt sisa sisd sisi siss sist sit- sita sitd siti sits sitt sras srib sris srsd srta srtr ssaa ssab ssas ssat ssbr ssdd ssid ssis ssit ssra ssri ssrs sssa sssb sssi ssss ssta sstb sstd ssts stab stad stai star stas stat stbd stbs stds stia stib stid stir stis stit stra strd stri strs stsi stss sttd sttr taa- taar taas taat taba tabb tabi tabs tada tads taia tair tais tait tara tarb tard tari tarr tars tart tasa tasb tasi tasr tass tast tata tatb tati tatr tats tatt tbar tbas tbbs tbit tbrb tbst tbta tddb tdis tdra tdri tdss tiaa tiab tiar tias tiba tibi tibs tidd tids tiit tira tirb tird tiri tirr tirs tisa tisb tisi tiss tist tita titi tits titt traa trab trad trai tras trat tri- tria trib tris trit trra trsd trsi trst trtr tsaa tsai tsar tsat tsbd tsdb tsia tsid tsis tssa tssi tssr tsst tsts ttab ttbb ttss tttt