a-ii a-ya a-yo aaaa aaab aaac aaai aaba aabb aabc aabi aabt aaby aaca aacb aacc aaci aaco aact aacy aaib aaic aaii aaoo aata aatc aatt abaa abab abac abai abat abay abb- abba abbb abbi abbo abbt abby abca abcb abcc abci abct abia abib abic abit abiy aboa abob aboo abot aboy abta abyc abyt abyy ac-t acaa acab acac acai acat acba acca accc acci acco acct accy aci- acia acic acoa acot acoy acta actc acti acto actt aiai aiba aibo aica aicc aiia aiib aiic aioc aioi aita aiti aitt aoba aoca aotc at-t ataa atab atac atai atat atay atca atcc atco atia atic atit atob atoc atoi atot atoy atta atti atto atty atya ay-o ayao ayat ayay ayca ayoo ayot ayta ayto ayya ba-i baaa baat baba babb babi babo baby bac- baca bacc baci baco bact baia baib baic baio bait bata batc bati bato batt baty baya bayi bayo bayt bbay bbbb bbci bboy bbyo bcaa bcat bcbc bcca bccc bcci bcia bcit bctc biao biat biba bibb bibi bibo bica bicc bici bico bio- bioc bioi biot bita bitc bito bitt biya boab boac boai boat boba bobb bobi bobo boby boca boco boi- boii boit boob booc boot bota botb boti boto bott boty boya boyi boyo btaa btcc btob bttb byit byoa byob byoc byoi c-bo caaa caab caac caat caba cabi cabo caby cac- caca cacc caci caco caia caib caic caio cait caoi cat- cata catb catc cati cato catt caty cayo cbac cbat cbbc cbca cbcc cbct cbia cbit cbot cbta cbtc cbyt ccaa ccab ccac ccai ccat ccba ccbc ccca cccb cccc ccci ccic ccii ccob ccoc cctb cctc cctt ciaa ciao ciat ciba cibc cibi cibo cica cicc cici cico cict ciia ciii ciit ciob cita citb citi cito citt city coai coat coba cobb cobi cobo coby coca coco coct coia coit coob coot cota cotb cotc coti coto cott coty coya coyo coyt ctab ctba ctbi ctca ctia ctic ctot ctta cya- cyaa cyba cybb cybc cybi cybo cyc- cyca cycb cycc cyoa cyt- cyta cytb cyto cyy- cyyc i-by iaaa iaac iaai iaat iaba iaca iacc iact iaia iata iatc iati iayc ibac ibat ibca ibia ibot ibtb ibtc ibyi icaa icab icac icai icao icat icbc icca iccb iccc icci icco icct icoc icta iiac iica iiii iiio iiit iioi iioo iita iitt ioba iobi ioby ioci ioii ioio ioit iooi iooo iota ioto itaa itac itai itat itay itby itia itic itoi itoo itta itto itty iyai oaic oaty obai obay obba obbo obby obia obit oboi obot oboy ocab ocac ocat ocbc occa occc occi occt oct- octa octi octo octy oiba oici oiii oita oitc oiti ooaa ooba oobi ooby ooia oooo ootb ooty otac otay otic otit oto- otoo otoy otta otti otto taa- taat taba tabb tabc tabi tabo taby taca tacc taci taco tact tacy taia taio tait taoa tata tatb tati tato tatt taty taya tayo tayt tayy tbca tbcb tbcc tbit tbta tcby tcca tccc tctc tiaa tiab tiao tiba tibi tica ticc tico tiit tita titc titi tito titt tiya tiyi tiyo to-y toab toat toay toba tobi tobo tobt toby toca toci toco toit tooa toot tota totc toti toto tott toty toya toyb toyo toyt ttab ttbb ttoy tttt tybi tybo tyco tyta tyti tyto tytt tyty yaba yabo yacc yaco yacy yait yaoi yata yati yaya yayo ycab ycao ycat yccc yctc yiti yoba yobi yobo yoit yoot yota yott yoyo ytay yyyy