-er -ey c-- ccc cce ccn cco ccr ccv ce- cec cee cen ceo cer cev cey cn- cnc cne cnn cno cnr cnv cny co- coc coe con coo cor cov coy crc cre crn cro crr crv cry cvc cve cvn cvo cvr cvv cyc cye cyn cyo cyr ec- ecc ece ecn eco ecr ecv eec eee een eeo eer eev eey en- enc ene enn eno enr env eny eo- eoc eoe eon eoo eor erc ere ern ero err erv ery evc eve evn evo evr evv evy eyc eye eyn eyo eyr ncc nce ncn nco ncr ncv ne- nec nee nen neo ner nev ney nnc nne nnn nno nnv no- noc noe non noo nor nov noy nrc nre nrn nro nrr nrv nry nvc nve nvn nvv nyc nye nyn nyo nyy oc- occ ocn oco ocr ocv oec oee oen oeo oer oey on- onc one onn ono onr ony oo- ooc oon ooo oor oov or- orc ore orn oro orr orv ory ov- ovc ove ovo ovv oye oyo rcc rce rcn rco rcr rcv re- rec ree ren reo rer rev rey rnc rnn rno rnr rnv rny roc roe ron roo ror rov roy rrc rrn rrr rvc rve rvn rvo rvr rvv rvy ry- ryc rye ryn ryo ryr ryy v-e vcc vce vcn vco vcr vcy vec vee ven veo ver vey vn- vno vnr vnv voc voe von voo vor vov voy vrc vre vrn vrr vry vvc vvo vvr vvv vye vyn ycc yce yco ycv ycy yec yee yen yeo yer yev yey yne ynn yny yoc yoe yon yoo yor yoy yrc yre yrn yro yve yvo yvr yvy yyc yye yyy