-th a-a a-b a-c a-t aaa aab aac aaf aah aao aar aat aay ab- aba abb abc abf abh abo abr abt aby ac- aca acb acc acf ach aco acr act acy af- afa afb afc aff afh afo afr aft afy aha ahb ahc ahf ahh aho ahr aht ahy aoa aob aoc aof aoh aoo aor aot ar- ara arb arc arf arh aro arr art ary at- ata atb atc atf ath ato atr att ay- aya ayc ayf ayh ayo ayr ayt baa bab bac baf bah bao bar bat bay bba bbb bbc bbf bbh bbo bbr bbt bby bca bcb bcc bcf bch bco bcr bct bcy bfa bfb bfc bff bfh bfo bfr bft bfy bha bhb bhc bhf bhh bho bhr bht boa bob boc bof boh boo bor bot boy bra brb brf brh bro brr brt bry bta btb btc btf bth bto btr btt bty by- bya byc byf byh byo byr byt c-- caa cab cac caf cah cao car cat cay cba cbb cbc cbf cbh cbo cbr cbt cby cca ccb ccc ccf cch cco ccr cct cfa cfb cfc cff cfh cfo cfr cft ch- cha chb chc chf chh cho chr cht chy co- coa cob coc cof coh coo cor cot coy cra crb crc crf crh cro crr crt cry cta ctb ctc ctf cth cto ctr ctt cty cya cyb cyc cyf cyo cyr cyt faa fab fac faf fah fao far fat fay fba fbb fbc fbf fbh fbo fbr fbt fca fcb fcc fcf fco fcr fct fcy ffa ffc fff ffh ffo ffr fft ffy fha fhb fhc fhf fhh fho fhr foa fob foc fof foh foo for fot foy fra frb frc frf frh fro frr frt fry fta ftb ftc ftf fth fto ftr ftt fty fy- fya fyb fyc fyo haa hab hac haf hah hao har hat hay hba hbb hbc hbf hbh hbo hbr hbt hby hca hcb hcc hcf hch hco hcr hct hcy hfa hfb hfc hff hfh hfo hfr hft hfy hha hhb hhc hhf hhh hho hhr hht hhy hoa hob hoc hof hoh hoo hor hot hoy hr- hra hrb hrc hrf hrh hro hrr hrt hta htb htc htf hth hto htr htt hty hy- hya hyb hyc hyh hyo hyr hyt hyy oaa oab oac oaf oah oao oar oat ob- oba obb obc obf obh obo obr obt oby oc- oca ocb occ ocf och oco ocr oct of- ofa ofb ofc off ofo ofr oft oha ohc ohf ohh oho ohr oht oo- ooa oob ooc oof ooh ooo oor oot or- ora orb orc orf orh oro orr ort ory ot- ota otb otc otf oth oto otr ott oya oyo ra- raa rab rac raf rah rao rar rat ray rba rbb rbc rbf rbh rbo rbr rbt rca rcb rcc rcf rch rco rcr rct rfa rfb rfc rff rfh rfo rfr rft rh- rha rhb rhc rhf rhh rho rhr rht roa rob roc rof roh roo ror rot roy rra rrb rrc rrf rrh rrr rrt rta rtb rtc rtf rto rtr rtt rty ry- rya ryc ryf ryo ryr ryy taa tab tac taf tah tao tar tat tay tba tbb tbc tbf tbh tbo tbr tbt tca tcb tcc tcf tch tco tcr tct tfa tfb tfc tff tfh tfo tfr tft th- tha thb thc thf thh tho thr tht thy to- toa tob toc tof toh too tor tot toy tra trb trc trf trh tro trr trt try tta ttb ttc ttf tth tto ttr ttt tty tya tyc tyf tyo tyr tyt yaa yab yac yaf yah yao yar yat yay ybc ybf ybr yby yca ycc ycf ych yco ycy yfa yfc yff yfr yft yha yhc yht yob yoc yof yoo yor yot yoy yra yrc yrf yro yrt yta ytc ytf yth yto ytr ytt yyb yyc yyf yyt yyy

a-ha a-ya a-yo aaaa aaab aaac aaaf aaah aaar aaba aabb aabc aabh aabt aaby aaca aacb aacc aacf aach aaco aacr aact aacy aafa aafb aafc aaff aaha aaoo aara aarc aaro aart aata aatc aatf aatt abaa abab abac abaf abar abat abay abb- abba abbb abbo abbr abbt abby abca abcb abcc abcf abch abcr abct abff abha abho abhr aboa abob abof aboh aboo abor abot aboy abra abrc abro abry abta abyc abyt abyy ac-t acaa acab acac acar acat acba acca accc accf acch acco acct accy acfc acft acha achh acho achr acht achy acoa acoh acor acot acoy acr- acra acrc acro acrr acry acta actc actf acth acto actt afaa afao afar afat afca afcb afcc afch affa affc affo afft affy afoa afoo afor afr- afra afrc afro afta aftc afty ahab ahac ahah ahar ahat ahfa ahha ahoa ahor ahot ahoy ahra ahrc ahrr ahta ahto aoah aoba aoca aora aorb aort aotc aotf arab arac araf arah arar arat aray arba arbh arby arc- arca arch arco arct arfa arfb arfc arff arft arh- aroa arob aroo aror arr- arra arrc arrh arro arrr arrt arry arta artc arth arto artr arty ary- arya at-t ataa atab atac atar atat atay atca atcc atcf atch atco atcr atfb atfc atha atho athy atob atoc atof ator atot atoy atra atrc atro atry atta atto attr atty atya ay-o ayah ayao ayar ayat ayay ayca ayoo ayot ayra ayry ayta ayth ayto ayya baaa baaf baah baar baat baba babb babo babr baby bac- baca bacc bach baco bact bafc baff bafo baft baha baho bahr baht baoh bar- bara barb barc barf barh baro barr bart bary bata batc batf bath bato batt baty baya bayh bayo bayt bbay bbbb bbch bbfc bboy bbrc bbyo bcaa bcar bcat bcbc bcca bccc bcfc bcof bcor bcra bctc bfca bfta bftt bhao bhar bhat bhca bhcc bhff