-er -ey c-- ccc cce ccn ccr ccv ce- cec cee cen cer cev cey cn- cnc cne cnn cnr cnv cny crc cre crn crr crv cry cvc cve cvn cvr cvv cyc cye cyn cyr ec- ecc ece ecn ecr ecv eec eee een eer eev eey en- enc ene enn enr env eny erc ere ern err erv ery evc eve evn evr evv evy eyc eye eyn eyr ncc nce ncn ncr ncv ne- nec nee nen ner nev ney nnc nne nnn nnv nrc nre nrn nrr nrv nry nvc nve nvn nvv nyc nye nyn nyy rcc rce rcn rcr rcv re- rec ree ren rer rev rey rnc rnn rnr rnv rny rrc rrn rrr rvc rve rvn rvr rvv rvy ry- ryc rye ryn ryr ryy v-e vcc vce vcn vcr vcy vec vee ven ver vey vn- vnr vnv vrc vre vrn vrr vry vvc vvr vvv vye vyn ycc yce ycv ycy yec yee yen yer yev yey yne ynn yny yrc yre yrn yve yvr yvy yyc yye yyy