a-be a-fu a-ii aaaa aaab aaac aaae aaaf aaai aaal aaar aaba aabb aabc aabi aabl aaca aacb aacc aace aacf aaci aacl aacr aacu aaea aaec aafa aafb aafc aaff aafi aafl aaib aaic aaii aala aalc aale aali aall aalu aara aarc aare aari aaru abaa abab abac abae abaf abai abal abar abau abb- abba abbb abbe abbi abbr abca abcb abcc abcf abci abcl abcr abec abee abel aber abff abia abib abic abie abil abir abiu abla able abra abrc abri abua abue abuf abul acaa acab acac acae acai acar acba acbl acca accc acce accf acci accu ace- acea acec acel acer acfc acfe acfi acfl aci- acia acic acie acif acir acla aclc acle acli aclr aclu acr- acra acrc acre acri acrr acu- acue acuf acul acur aeac aeaf aebi aecb aeci aecl aeer aela aelc aer- aera aerc aeri afaa afar afca afcb afcc afci afcu afee afel afer affa affc affi afia afib afif afil afir afla aflc afle afr- afra afrc afre afri afru afua afue aiai aiba aibl aica aicc aice aicf aicr aiea aiee aiel aiff aifl aiia aiib aiic aiir aila aile aili ailu aira aire airi aiui alaa alac alae alai alal alar alau alb- alba albc albe albi albu alca alcc alce alea alec alee alef aler aleu alfa alfe alfi ali- alia alib alie alif alii alil alir aliu all- alla alle alli alll allr allu alua aluf alui alur arab arac arae araf arai aral arar arau arba arbe arbi arc- arca arce arci area arec aree aref arei arel areu arfa arfb arfc arff arfu aria arib arie arif arii aril arla arle arli arr- arra arrc arre arri arrr arru arua arub arue arui arul auaa aube auca auce auci auel auer aufc aufe aufi aul- aula aule aulf auli aull aulu aur- aura aure auri ba-i baaa baaf baal baar baba babb babe babi babr babu bac- baca bacc bace baci bael baer bafc baff baia baib baic baie bail bair bala balc bale balf bali ball balu bar- bara barb barc bare barf bari barr baru bau- bauf baul baur bbau bbbb bbci bbeb bbfc bblb bbrc bcaa bcar bcbc bcca bccc bcci bccl bcec bcer bcfc bcia bcie bcra bcru bcuc beaf beal bear beau beba bebb bebe bebi beca beci becu beeb beef beel beer befa befe beff beia beic beil beir bela bele beli bell belu bera berc bere beri berr beru beur bfca bffl biaf bial biar biba bibb bibe bibi bibl bica bicc bice bici bieb bief biel bier bieu bifa biff bifi bila bile bili bill bilu bira birb bire biri birl birr biru blaa blab blac blae blau blcu blea bleb blee blei bleu blfc blic blir blrc blub blue bluf blur brab brac brae braf brai brau brca brcb brce brea breb brec bree bref brei brel brer brfc brfu bria bric brie bril brrr bruc brue bual buar buba bubb bube bubi bubu buca bucc buce buci bucu buea buel buer bueu bufc bufe buff bufr buic buie buif buir buiu bula bulb bule buli bull bulu bur- bura burb bure buri burl burr buru caaa caab caac caaf caal caba cabe cabf cabi cabu cac- caca cacc cace caci cacr caec caei caer caeu cafa cafb cafc cafe caff cafl cafu caia caib caic cail cair caiu cala calc cale calf cali call calu cara carb carc care carf cari carl carr cauc cauf caul cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcr cbcu cbea cbec cbee cbef cber cbfb cbfc cbia cbir cblb cblc cbre cbrl ccaa ccab ccac ccaf ccai ccar ccba ccbc ccca cccb cccc cccf ccci cccl cccu ccee ccel ccfa ccfc ccff ccfi ccfl ccic ccii ccil ccir ccla cclc ccli ccra ccrc ccre ccrf ccri ccrl ccuc ceac ceal cear ceba cebu cec- ceca cece ceci ceeb ceec ceel cef- cefa cefc ceil cel- cela celc cele celf celi cell cer- cera cerc cere cerf ceri cerl ceui cfaa cfab cfac cfae cfar cfbc cfbr cfca cfcb cfcf cfcl cffb cffr cfia cfra cfrb cfre ciaa cial ciar ciau ciba cibc cibe cibi cica cicc cici cicr cicu ciee ciel cier cifa cife ciff cifl ciia ciii cila cili cill cira cirb circ cire ciri cirl cirr ciuc clab claf clai clar clau clea clec clee clef clei cler cleu clib clic clif clii clir clra clri club clue crab crac craf crai crar crau crbc crbu crca crcc crce crcr cre- crea creb crec cree crei creu crfc crfl cria crib cric crie crif criu crlf crub crue cuau cub- cuba cubb cube cubi cuca cucc cuce cuci cuer cufa cufc cuff cufi cui- cuif cuil cuir cula culb culc cule cull cura curb cure curf curi curl curr e-cl e-la eaaf eaba eaca eacc eaec eafb eaif eaiu eala ealc eale eara earb eare earl ebac ebal ebba ebbc ebbr ebcc ebel eber ebfc ebic ebla ebli ebru ebul ebur ecaa ecac ecai ecal ecar ecbc ecbe ecca eccb eccc ecce ecci eccl ecef ecfa ecfc ecfr ecib ecil ecla ecra ecrc ecrf ecri ecrl ecrr ecru ecua eeca eeea eeee eefa eefe eefl eele eera eerc efab efbr efca effa effi efic efil efla efua eica eiec eiei eier eila eile eira eire el-b elab elac elai elal elar elba elbe elbi elbu elca elcb elce elea elec elee elef eler elfa elfc elfe elfi elia elic elie elif elil ella elle elli ellu elra elue elui elul eraf eral erau erba erbb erbe erca ercc erce ereb erec erei erel erer erfc eria eric erie eril eriu erla erle erli erll erra errc erre erua erub eruc erur euba eubc eubi euer eufc eufi eula eule eur- eura eurc eure faaa faac faba fabe fabi fabu faca facc face faeb fafa fafc fafe faff fafi faie fail fair fala falc fale fali fall falu fara farb