-er -ey a-a a-c a-t aaa aac aae aao aar aat aav aay ac- aca acc ace aco acr act acv acy aea aec aee aeo aer aet aev aey aoa aoc aoe aoo aor aot aov ar- ara arc are aro arr art arv ary at- ata atc ate ato atr att atv av- ava avc ave avo avr avt avy ay- aya ayc aye ayo ayr ayt c-- caa cac cae cao car cat cav cay cca ccc cce cco ccr cct ccv ce- cea cec cee ceo cer cet cev cey co- coa coc coe coo cor cot cov coy cra crc cre cro crr crt crv cry cta ctc cte cto ctr ctt ctv cty cva cvc cve cvo cvr cvt cvv cya cyc cye cyo cyr cyt eaa eac eae eao ear eat eav ec- eca ecc ece eco ecr ect ecv eea eec eee eeo eer eet eev eey eo- eoa eoc eoe eoo eor eot era erc ere ero err ert erv ery eta etc ete eto etr ett etv ety eva evc eve evo evr evt evv evy eya eyc eye eyo eyr eyt oaa oac oae oao oar oat oav oc- oca occ oco ocr oct ocv oea oec oee oeo oer oet oey oo- ooa ooc ooo oor oot oov or- ora orc ore oro orr ort orv ory ot- ota otc ote oto otr ott otv ov- ova ovc ove ovo ovv oya oye oyo ra- raa rac rae rao rar rat rav ray rca rcc rce rco rcr rct rcv re- rea rec ree reo rer ret rev rey roa roc roe roo ror rot rov roy rra rrc rrr rrt rta rtc rte rto rtr rtt rtv rty rva rvc rve rvo rvr rvt rvv rvy ry- rya ryc rye ryo ryr ryy taa tac tae tao tar tat tav tay tca tcc tce tco tcr tct tcv te- tea tec tee teo ter tet tev tey to- toa toc toe too tor tot tov toy tra trc tre tro trr trt trv try tta ttc tte tto ttr ttt ttv tty tva tvc tve tvo tvr tvt tvy tya tyc tye tyo tyr tyt v-a v-e vaa vac vae vao var vat vav vay vca vcc vce vco vcr vct vcy vea vec vee veo ver vet vey voa voc voe voo vor vot vov voy vra vrc vre vrr vrt vry vta vtc vte vto vtr vtt vtv vty vva vvc vvo vvr vvt vvv vye vyt yaa yac yae yao yar yat yav yay yca ycc yce yco ycv ycy yea yec yee yeo yer yet yev yey yoc yoe yoo yor yot yoy yra yrc yre yro yrt yta ytc yte yto ytr ytt ytv yva yve yvo yvr yvy yyc yye yyt yyy