-er -ey a-a a-c aaa aac aae aan aao aar aav aay ac- aca acc ace acn aco acr acv acy aea aec aee aen aeo aer aev aey an- ana anc ane ann ano anr anv any aoa aoc aoe aon aoo aor aov ar- ara arc are arn aro arr arv ary av- ava avc ave avn avo avr avy ay- aya ayc aye ayn ayo ayr c-- caa cac cae can cao car cav cay cca ccc cce ccn cco ccr ccv ce- cea cec cee cen ceo cer cev cey cn- cna cnc cne cnn cno cnr cnv cny co- coa coc coe con coo cor cov coy cra crc cre crn cro crr crv cry cva cvc cve cvn cvo cvr cvv cya cyc cye cyn cyo cyr eaa eac eae ean eao ear eav ec- eca ecc ece ecn eco ecr ecv eea eec eee een eeo eer eev eey en- ena enc ene enn eno enr env eny eo- eoa eoc eoe eon eoo eor era erc ere ern ero err erv ery eva evc eve evn evo evr evv evy eya eyc eye eyn eyo eyr naa nac nae nan nao nar nav nay nca ncc nce ncn nco ncr ncv ne- nea nec nee nen neo ner nev ney nna nnc nne nnn nno nnv no- noa noc noe non noo nor nov noy nra nrc nre nrn nro nrr nrv nry nva nvc nve nvn nvv nya nyc nye nyn nyo nyy oaa oac oae oan oao oar oav oc- oca occ ocn oco ocr ocv oea oec oee oen oeo oer oey on- ona onc one onn ono onr ony oo- ooa ooc oon ooo oor oov or- ora orc ore orn oro orr orv ory ov- ova ovc ove ovo ovv oya oye oyo ra- raa rac rae ran rao rar rav ray rca rcc rce rcn rco rcr rcv re- rea rec ree ren reo rer rev rey rna rnc rnn rno rnr rnv rny roa roc roe ron roo ror rov roy rra rrc rrn rrr rva rvc rve rvn rvo rvr rvv rvy ry- rya ryc rye ryn ryo ryr ryy v-a v-e vaa vac vae van vao var vav vay vca vcc vce vcn vco vcr vcy vea vec vee ven veo ver vey vn- vna vno vnr vnv voa voc voe von voo vor vov voy vra vrc vre vrn vrr vry vva vvc vvo vvr vvv vye vyn yaa yac yae yan yao yar yav yay yca ycc yce yco ycv ycy yea yec yee yen yeo yer yev yey yna yne ynn yny yoc yoe yon yoo yor yoy yra yrc yre yrn yro yva yve yvo yvr yvy yyc yye yyy