-er -ey a-a a-b aaa aab aae aak aam aao aar aas aay ab- aba abb abe abk abm abo abr abs aby aea aeb aee aek aem aeo aer aes aey aka akb ake akk akm ako akr aks ama amb ame amk amm amo amr ams amy aoa aob aoe aok aom aoo aor aos ar- ara arb are ark arm aro arr ars ary as- asa asb ase ask asm aso asr ass asy ay- aya aye ayk ayo ayr ays baa bab bae bak bam bao bar bas bay bba bbb bbe bbk bbm bbo bbr bbs bby be- bea beb bee bek bem beo ber bes bey bka bkb bke bkk bkm bko bkr bks bma bmb bme bmk bmm bmo bmr bms boa bob boe bok bom boo bor bos boy bra brb bre brk brm bro brr brs bry bsa bsb bse bsk bsm bso bsr bss bsy by- bya bye byk bym byo byr bys eaa eab eae eak eam eao ear eas eba ebb ebe ebk ebm ebo ebr ebs eby eea eeb eee eek eem eeo eer ees eey eka ekb eke eko ekr eks eky em- ema emb eme emk emm emo emr ems eo- eoa eob eoe eok eom eoo eor eos era erb ere erk erm ero err ers ery es- esa esb ese esk esm eso esr ess esy eya eye eym eyo eyr eys ka- kaa kab kae kak kam kao kar kas kay kba kbb kbe kbk kbm kbo kbr kbs ke- kea keb kee kek kem keo ker kes key kkb kke kkk kkm kkr kks kky kma kmb kme kmk kmm kmo kms koa kob koe kok kom koo kor kos koy kra krk kro krr krs kry ksa ksb kse ksk ksm kso ksr kss kya kye kym kyo kyr kys m-o m-r maa mab mae mak mam mao mar mas may mba mbb mbe mbk mbm mbo mbr mbs mea meb mee mek mem meo mer mes mey mka mkb mke mkk mkm mko mkr mks mky mma mmb mme mmk mmm mmo mmr mms moa mob moe mok mom moo mor mos moy mra mrb mre mrk mrm mro mrr mrs mry msa msb mse msk msm mso msr mss msy my- mya myb mye myk mym myo myr mys oaa oab oae oak oam oao oar oas ob- oba obb obe obk obm obo obr obs oby oea oeb oee oem oeo oer oes oey oka okb oke okk oko okr oks om- oma omb ome omm omo omr oms omy oo- ooa oob ook oom ooo oor oos or- ora orb ore ork orm oro orr ors ory os- osa osb ose osk osm oso osr oss oya oye oyo oys ra- raa rab rae rak ram rao rar ras ray rba rbb rbe rbk rbm rbo rbr rbs re- rea reb ree rek rem reo rer res rey rkb rke rkk rkm rko rks rky rma rmb rme rmm rmo rmr rms roa rob roe rok rom roo ror ros roy rra rrb rrk rrm rrr rrs rsa rsb rse rsk rsm rso rsr rss ry- rya rye ryk rym ryo ryr rys ryy saa sab sae sak sam sao sar sas say sba sbb sbe sbk sbm sbo sbr sbs sby se- sea seb see sek sem seo ser ses sey sk- ska skb ske skk skm sko skr sks sky sma smb sme smk smm smo smr sms smy soa sob soe sok som soo sor sos soy sr- sra srb sre srk srm sro srr srs sry ss- ssa ssb sse ssk ssm sso ssr sss sy- sya syb sye syk sym syr sys yaa yab yae yak yam yao yar yas yay ybe ybm ybr ybs yby yea yeb yee yek yem yeo yer yes yey yka ykk ykm yma yme ymm ymo yms yob yoe yok yom yoo yor yos yoy yra yre yro yrs ysa ysb yse ysk ysm yso ysr yss ysy yyb yye yys yyy