-ey a-a a-c a-t aaa aac aae aao aas aat aay ac- aca acc ace aco acs act acy aea aec aee aeo aes aet aey aoa aoc aoe aoo aos aot as- asa asc ase aso ass ast asy at- ata atc ate ato ats att ay- aya ayc aye ayo ays ayt c-- caa cac cae cao cas cat cay cca ccc cce cco ccs cct ce- cea cec cee ceo ces cet cey co- coa coc coe coo cos cot coy csa csc cse cso css cst csy cta ctc cte cto cts ctt cty cya cyc cye cyo cys cyt eaa eac eae eao eas eat ec- eca ecc ece eco ecs ect eea eec eee eeo ees eet eey eo- eoa eoc eoe eoo eos eot es- esa esc ese eso ess est esy eta etc ete eto ets ett ety eya eyc eye eyo eys eyt oaa oac oae oao oas oat oc- oca occ oco ocs oct oea oec oee oeo oes oet oey oo- ooa ooc ooo oos oot os- osa osc ose oso oss ost ot- ota otc ote oto ots ott oya oye oyo oys saa sac sae sao sas sat say sca scc sce sco scs sct se- sea sec see seo ses set sey soa soc soe soo sos sot soy ss- ssa ssc sse sso sss sst sta stc ste sto sts stt sty sy- sya syc sye sys syt taa tac tae tao tas tat tay tca tcc tce tco tcs tct te- tea tec tee teo tes tet tey to- toa toc toe too tos tot toy tsa tsc tse tso tss tst tsy tta ttc tte tto tts ttt tty tya tyc tye tyo tys tyt yaa yac yae yao yas yat yay yca ycc yce yco ycs ycy yea yec yee yeo yes yet yey yoc yoe yoo yos yot yoy ysa ysc yse yso yss yst ysy yta ytc yte yto yts ytt yyc yye yys yyt yyy