-er -ey c-- ccc cce ccn cco ccp ccr ccv ce- cec cee cen ceo cep cer cev cey cn- cnc cne cnn cno cnp cnr cnv cny co- coc coe con coo cop cor cov coy cpc cpe cpn cpo cpp cpr cpv crc cre crn cro crp crr crv cry cvc cve cvn cvo cvp cvr cvv cyc cye cyn cyo cyp cyr ec- ecc ece ecn eco ecr ecv eec eee een eeo eep eer eev eey en- enc ene enn eno enp enr env eny eo- eoc eoe eon eoo eop eor ep- epc epe epn epo epp epr erc ere ern ero erp err erv ery evc eve evn evo evp evr evv evy eyc eye eyn eyo eyp eyr ncc nce ncn nco ncp ncr ncv ne- nec nee nen neo nep ner nev ney nnc nne nnn nno nnp nnv no- noc noe non noo nop nor nov noy npc npe npn npo npp npr npv nrc nre nrn nro nrp nrr nrv nry nvc nve nvn nvp nvv nyc nye nyn nyo nyp nyy oc- occ ocn oco ocp ocr ocv oec oee oen oeo oep oer oey on- onc one onn ono onp onr ony oo- ooc oon ooo oop oor oov op- opc ope opn opo opp opr opv opy or- orc ore orn oro orp orr orv ory ov- ovc ove ovo ovp ovv oye oyo p-p pcc pce pcn pco pcp pcr pcv pec pee pen peo pep per pev pey pn- pnc pne pnn pno pnp pnr pnv pny poc poe pon poo pop por pov poy ppc ppe ppn ppo ppp ppr ppv prc pre prn pro prp prr prv pry pvc pve pvn pvo pvp pvr pvv py- pyc pye pyn pyo pyr rcc rce rcn rco rcp rcr rcv re- rec ree ren reo rep rer rev rey rnc rnn rno rnp rnr rnv rny roc roe ron roo rop ror rov roy rpc rpe rpn rpo rpp rpr rpv rrc rrn rrp rrr rvc rve rvn rvo rvp rvr rvv rvy ry- ryc rye ryn ryo ryr ryy v-e vcc vce vcn vco vcp vcr vcy vec vee ven veo vep ver vey vn- vno vnp vnr vnv voc voe von voo vop vor vov voy vpc vpe vpn vpo vpp vpr vrc vre vrn vrp vrr vry vvc vvo vvr vvv vye vyn vyp ycc yce yco ycp ycv ycy yec yee yen yeo yep yer yev yey yne ynn ynp yny yoc yoe yon yoo yop yor yoy ypo yrc yre yrn yro yrp yve yvo yvr yvy yyc yye yyy