a-a a-c a-t aaa aac aam aao aas aat aay ac- aca acc acm aco acs act acy ama amc amm amo ams amt amy aoa aoc aom aoo aos aot as- asa asc asm aso ass ast asy at- ata atc atm ato ats att ay- aya ayc ayo ays ayt c-- caa cac cam cao cas cat cay cca ccc ccm cco ccs cct cma cmc cmm cmo cms cmt cmy co- coa coc com coo cos cot coy csa csc csm cso css cst csy cta ctc ctm cto cts ctt cty cya cyc cym cyo cys cyt m-o maa mac mam mao mas mat may mc- mca mcc mcm mco mcs mct mma mmc mmm mmo mms mmt moa moc mom moo mos mot moy msa msc msm mso mss mst msy mta mtc mtm mto mts mtt my- mya myc mym myo mys myt oaa oac oam oao oas oat oc- oca occ ocm oco ocs oct om- oma omc omm omo oms omt omy oo- ooa ooc oom ooo oos oot os- osa osc osm oso oss ost ot- ota otc otm oto ots ott oya oyo oys saa sac sam sao sas sat say sca scc scm sco scs sct sma smc smm smo sms smt smy soa soc som soo sos sot soy ss- ssa ssc ssm sso sss sst sta stc stm sto sts stt sty sy- sya syc sym sys syt taa tac tam tao tas tat tay tca tcc tcm tco tcs tct tma tmc tmm tmo tms tmt tmy to- toa toc tom too tos tot toy tsa tsc tsm tso tss tst tsy tta ttc ttm tto tts ttt tty tya tyc tym tyo tys tyt yaa yac yam yao yas yat yay yca ycc yco ycs ycy yma ymc ymm ymo yms ymt yoc yom yoo yos yot yoy ysa ysc ysm yso yss yst ysy yta ytc ytm yto yts ytt yyc yys yyt yyy