a-a a-b a-i a-t aaa aab aai aam aao aar aas aat aay ab- aba abb abi abm abo abr abs abt aby ai- aia aib aii aim aio air ais ait aiy ama amb ami amm amo amr ams amt amy aoa aob aoi aom aoo aor aos aot ar- ara arb ari arm aro arr ars art ary as- asa asb asi asm aso asr ass ast asy at- ata atb ati atm ato atr ats att ay- aya ayi ayo ayr ays ayt baa bab bai bam bao bar bas bat bay bba bbb bbi bbm bbo bbr bbs bbt bby bi- bia bib bii bim bio bir bis bit biy bma bmb bmi bmm bmo bmr bms bmt boa bob boi bom boo bor bos bot boy bra brb bri brm bro brr brs brt bry bsa bsb bsi bsm bso bsr bss bst bsy bta btb bti btm bto btr bts btt bty by- bya byi bym byo byr bys byt ia- iaa iab iai iam iao iar ias iat iba ibb ibi ibm ibo ibr ibs ibt iby iia iib iii iim iio iir iis iit im- ima imb imi imm imo ims imt imy io- ioa iob ioi iom ioo ior ios iot ir- ira irb iri irm iro irr irs irt iry is- isa isb isi ism iso isr iss ist isy ita itb iti itm ito its itt ity iya iym iyo iyr iys iyt iyy m-o m-r maa mab mai mam mao mar mas mat may mba mbb mbi mbm mbo mbr mbs mbt mi- mia mib mii mim mio mir mis mit miy mma mmb mmi mmm mmo mmr mms mmt moa mob moi mom moo mor mos mot moy mra mrb mri mrm mro mrr mrs mrt mry msa msb msi msm mso msr mss mst msy mta mtb mti mtm mto mtr mts mtt my- mya myb mym myo myr mys myt o-i oaa oab oai oam oao oar oas oat ob- oba obb obi obm obo obr obs obt oby oia oib oii oim oio oir ois oit om- oma omb omi omm omo omr oms omt omy oo- ooa oob ooi oom ooo oor oos oot or- ora orb ori orm oro orr ors ort ory os- osa osb osi osm oso osr oss ost ot- ota otb oti otm oto otr ots ott oya oyi oyo oys ra- raa rab rai ram rao rar ras rat ray rba rbb rbi rbm rbo rbr rbs rbt ria rib rii rim rio rir ris rit riy rma rmb rmi rmm rmo rmr rms rmt roa rob roi rom roo ror ros rot roy rra rrb rri rrm rrr rrs rrt rsa rsb rsi rsm rso rsr rss rst rta rtb rti rtm rto rtr rts rtt rty ry- rya rym ryo ryr rys ryy saa sab sai sam sao sar sas sat say sba sbb sbi sbm sbo sbr sbs sbt sby sia sib sii sim sio sir sis sit sma smb smi smm smo smr sms smt smy soa sob soi som soo sor sos sot soy sr- sra srb sri srm sro srr srs srt sry ss- ssa ssb ssi ssm sso ssr sss sst sta stb sti stm sto str sts stt sty sy- sya syb syi sym syr sys syt taa tab tai tam tao tar tas tat tay tba tbb tbi tbm tbo tbr tbs tbt tia tib tii tim tio tir tis tit tiy tma tmb tmi tmm tmo tmr tms tmt tmy to- toa tob toi tom too tor tos tot toy tra trb tri trm tro trr trs trt try tsa tsb tsi tsm tso tsr tss tst tsy tta ttb tti ttm tto ttr tts ttt tty tya tym tyo tyr tys tyt yaa yab yai yam yao yar yas yat yay ybi ybm ybr ybs yby yii yim yio yir yis yit yma ymi ymm ymo yms ymt yob yoi yom yoo yor yos yot yoy yra yro yrs yrt ysa ysb ysi ysm yso ysr yss yst ysy yta ytm yto ytr yts ytt yyb yys yyt yyy