a-a a-b a-t aaa aab aad aam aao aas aat aay ab- aba abb abd abm abo abs abt aby ad- ada adb add adm ado ads adt ady ama amb amd amm amo ams amt amy aoa aob aod aom aoo aos aot as- asa asb asd asm aso ass ast asy at- ata atb atd atm ato ats att ay- aya ayd ayo ays ayt baa bab bad bam bao bas bat bay bba bbb bbd bbm bbo bbs bbt bby bda bdb bdd bdm bdo bds bdt bdy bma bmb bmd bmm bmo bms bmt boa bob bod bom boo bos bot boy bsa bsb bsd bsm bso bss bst bsy bta btb btd btm bto bts btt bty by- bya byd bym byo bys byt daa dab dad dam dao das dat day dba dbb dbd dbm dbo dbs dbt dby dda ddb ddd ddm ddo dds ddt ddy dma dmb dmd dmm dmo dms dmt doa dob dod dom doo dos dot doy dsa dsb dsd dsm dso dss dst dsy dta dtb dtd dtm dto dts dtt dty dy- dya dyb dyd dym dyo dys dyy m-o maa mab mad mam mao mas mat may mba mbb mbd mbm mbo mbs mbt mda mdb mdd mdm mdo mds mdt mdy mma mmb mmd mmm mmo mms mmt moa mob mod mom moo mos mot moy msa msb msd msm mso mss mst msy mta mtb mtd mtm mto mts mtt my- mya myb myd mym myo mys myt oaa oab oad oam oao oas oat ob- oba obb obd obm obo obs obt oby oda odb odd odm odo ods odt om- oma omb omd omm omo oms omt omy oo- ooa oob ood oom ooo oos oot os- osa osb osd osm oso oss ost ot- ota otb otd otm oto ots ott oya oyd oyo oys saa sab sad sam sao sas sat say sba sbb sbd sbm sbo sbs sbt sby sda sdb sdd sdm sdo sds sdt sdy sma smb smd smm smo sms smt smy soa sob sod som soo sos sot soy ss- ssa ssb ssd ssm sso sss sst sta stb std stm sto sts stt sty sy- sya syb syd sym sys syt taa tab tad tam tao tas tat tay tba tbb tbd tbm tbo tbs tbt tda tdb tdd tdm tdo tds tdt tdy tma tmb tmd tmm tmo tms tmt tmy to- toa tob tod tom too tos tot toy tsa tsb tsd tsm tso tss tst tsy tta ttb ttd ttm tto tts ttt tty tya tyd tym tyo tys tyt yaa yab yad yam yao yas yat yay ybm ybs yby yda ydo yds ydt ydy yma ymm ymo yms ymt yob yod yom yoo yos yot yoy ysa ysb ysm yso yss yst ysy yta ytd ytm yto yts ytt yyb yys yyt yyy