-er -ey c-- ccc cce ccg ccn cco ccp ccr ce- cec cee ceg cen ceo cep cer cey cgc cge cgg cgn cgo cgp cgr cgy cn- cnc cne cng cnn cno cnp cnr cny co- coc coe cog con coo cop cor coy cpc cpe cpg cpn cpo cpp cpr crc cre crg crn cro crp crr cry cyc cye cyg cyn cyo cyp cyr ec- ecc ece ecg ecn eco ecr eec eee eeg een eeo eep eer eey egc ege egg egn ego egp egr egy en- enc ene eng enn eno enp enr eny eo- eoc eoe eog eon eoo eop eor ep- epc epe epg epn epo epp epr erc ere erg ern ero erp err ery eyc eye eyn eyo eyp eyr g-p gcc gce gcg gcn gco gcp gcr ge- gec gee geg gen geo gep ger gey ggc ggg ggn ggo ggp ggr gnc gne gnn gno gnp gnr goc goe gog gon goo gop gor goy gpc gpe gpg gpn gpo gpp gpr grc gre grg grn gro grp grr gry gy- gye gyn gyo gyp gyr ncc nce ncg ncn nco ncp ncr ne- nec nee neg nen neo nep ner ney ngc nge ngg ngn ngo ngp nnc nne nng nnn nno nnp no- noc noe nog non noo nop nor noy npc npe npg npn npo npp npr nrc nre nrg nrn nro nrp nrr nry nyc nye nyg nyn nyo nyp nyy oc- occ ocg ocn oco ocp ocr oec oee oeg oen oeo oep oer oey ogc oge ogg ogn ogo ogp ogy on- onc one ong onn ono onp onr ony oo- ooc oog oon ooo oop oor op- opc ope opg opn opo opp opr opy or- orc ore org orn oro orp orr ory oye oyo p-p pcc pce pcg pcn pco pcp pcr pec pee peg pen peo pep per pey pgc pge pgg pgn pgo pgp pgr pgy pn- pnc pne png pnn pno pnp pnr pny poc poe pog pon poo pop por poy ppc ppe ppg ppn ppo ppp ppr prc pre prg prn pro prp prr pry py- pyc pye pyg pyn pyo pyr rcc rce rcg rcn rco rcp rcr re- rec ree reg ren reo rep rer rey rgc rge rgg rgn rgo rgp rgr rnc rng rnn rno rnp rnr rny roc roe rog ron roo rop ror roy rpc rpe rpg rpn rpo rpp rpr rrc rrg rrn rrp rrr ry- ryc rye ryg ryn ryo ryr ryy ycc yce yco ycp ycy yec yee yeg yen yeo yep yer yey ygc ygo yne yng ynn ynp yny yoc yoe yog yon yoo yop yor yoy ypg ypo yrc yre yrg yrn yro yrp yyc yye yyg yyy