-ic a-a a-b a-c a-i a-t aaa aab aac aaf aai aao aat aay ab- aba abb abc abf abi abo abt aby ac- aca acb acc acf aci aco act acy af- afa afb afc aff afi afo aft afy ai- aia aib aic aif aii aio ait aiy aoa aob aoc aof aoi aoo aot at- ata atb atc atf ati ato att ay- aya ayc ayf ayi ayo ayt baa bab bac baf bai bao bat bay bba bbb bbc bbf bbi bbo bbt bby bca bcb bcc bcf bci bco bct bcy bfa bfb bfc bff bfi bfo bft bfy bi- bia bib bic bif bii bio bit biy boa bob boc bof boi boo bot boy bta btb btc btf bti bto btt bty by- bya byc byf byi byo byt c-- caa cab cac caf cai cao cat cay cba cbb cbc cbf cbi cbo cbt cby cca ccb ccc ccf cci cco cct cfa cfb cfc cff cfi cfo cft ci- cia cib cic cif cii cio cit co- coa cob coc cof coi coo cot coy cta ctb ctc ctf cti cto ctt cty cya cyb cyc cyf cyo cyt faa fab fac faf fai fao fat fay fba fbb fbc fbf fbi fbo fbt fca fcb fcc fcf fci fco fct fcy ffa ffc fff ffi ffo fft ffy fia fib fic fif fii fit foa fob foc fof foi foo fot foy fta ftb ftc ftf fti fto ftt fty fy- fya fyb fyc fyi fyo i-f ia- iaa iab iac iaf iai iao iat iba ibb ibc ibf ibi ibo ibt iby ica icb icc icf ici ico ict icy ifa ifb ifc iff ifi ifo ift ify iia iib iic iif iii iio iit io- ioa iob ioc iof ioi ioo iot ita itb itc itf iti ito itt ity iya iyc iyo iyt iyy o-i oaa oab oac oaf oai oao oat ob- oba obb obc obf obi obo obt oby oc- oca ocb occ ocf oci oco oct of- ofa ofb ofc off ofi ofo oft oia oib oic oif oii oio oit oo- ooa oob ooc oof ooi ooo oot ot- ota otb otc otf oti oto ott oya oyi oyo taa tab tac taf tai tao tat tay tba tbb tbc tbf tbi tbo tbt tca tcb tcc tcf tci tco tct tfa tfb tfc tff tfi tfo tft tia tib tic tif tii tio tit tiy to- toa tob toc tof toi too tot toy tta ttb ttc ttf tti tto ttt tty tya tyc tyf tyo tyt yaa yab yac yaf yai yao yat yay ybc ybf ybi yby yca ycc ycf yci yco ycy yfa yfc yff yft yif yii yio yit yob yoc yof yoi yoo yot yoy yta ytc ytf yto ytt yyb yyc yyf yyt yyy

a-ii a-ya a-yo aaaa aaab aaac aaaf aaai aaba aabb aabc aabi aabt aaby aaca aacb aacc aacf aaci aaco aact aacy aafa aafb aafc aaff aafi aaib aaic aaii aaoo aata aatc aatf aatt abaa abab abac abaf abai abat abay abb- abba abbb abbi abbo abbt abby abca abcb abcc abcf abci abct abff abia abib abic abit abiy aboa abob abof aboo abot aboy abta abyc abyt abyy ac-t acaa acab acac acai acat acba acca accc accf acci acco acct accy acfc acfi acft aci- acia acic acif acoa acot acoy acta actc actf acti acto actt afaa afao afat afca afcb afcc afci affa affc affi affo afft affy afia afib afif afit afoa afoo afta aftc afty aiai aiba aibo aica aicc aicf aiff aiia aiib aiic aioc aioi aita aitf aiti aitt aiyf aoba aoca aotc aotf at-t ataa atab atac atai atat atay atca atcc atcf atco atfb atfc atia atic atif atit atob atoc atof atoi atot atoy atta atti atto atty atya ay-o ayao ayat ayay ayca ayoo ayot ayta ayto ayya ba-i baaa baaf baat baba babb babi babo baby bac- baca bacc baci baco bact bafc baff bafo baft baia baib baic baio bait bata batc batf bati bato batt baty baya bayi bayo bayt bbay bbbb bbci bbfc bboy bbyo bcaa bcat bcbc bcca bccc bcci bcfc bcia bcit bcof bctc bfca bfta bftt biaf biao biat biba bibb bibi bibo bica bicc bici bico bifa biff bifi bio- bioc bioi biot bita bitc bito bitt biya boab boac boai boat boba bobb bobi bobo boby boca boco bofa boff boi- boii boit boob booc boof boot bota botb boti boto bott boty boya boyf boyi boyo btaa btaf btcc btfc btob bttb byit byoa byob byoc byoi c-bo caaa caab caac caaf caat caba cabf cabi cabo caby cac- caca cacc caci caco cafa cafb cafc caff caia caib caic caio cait caoi cat- cata catb catc catf cati cato catt caty cayo cbac cbat cbbc cbca cbcc cbct cbfb cbfc cbia cbit cbot cbta cbtc cbtf cbyt ccaa ccab ccac ccaf ccai ccat ccba ccbc ccca cccb cccc cccf ccci ccfa ccfc ccff ccfi ccic ccii ccob ccoc cctb cctc cctt cfaa cfab cfac cfao cfbc cfbt cfca cfcb cfcf cfco cfcy cffb cfia cfit cfoa cfta cftc ciaa ciao ciat ciba cibc cibi cibo cica cicc cici cico cict cifa ciff ciia ciii ciit ciob cita citb citf citi cito citt city coai coat coba cobb cobi cobo coby coca coco coct cofc coff cofi coft coia coif coit coob coof coot cota cotb cotc coti coto cott coty coya coyf coyo coyt ctab ctba ctbi ctca ctcf ctfc ctfo ctia ctic ctot ctta cya- cyaa cyba cybb cybc cybi cybo cyc- cyca cycb cycc cyfi cyft cyoa cyt- cyta cytb cyto cyy- cyyc faaa faac faba fabi fabo faca facc fact facy fafa fafc faff fafi fafo faio fait fata fatc fatf fati fato fatt faya fayo fayt fcab fcat fcba fcca fccf fcic fcii fcot fcto fcty ffcc ffff ffii fftf fiaa fiac fiaf