-er -ey c-- ccc cce cch ccn cco ccp ccr ce- cec cee ceh cen ceo cep cer cey ch- chc che chh chn cho chp chr chy cn- cnc cne cnh cnn cno cnp cnr cny co- coc coe coh con coo cop cor coy cpc cpe cph cpn cpo cpp cpr crc cre crh crn cro crp crr cry cyc cye cyn cyo cyp cyr ec- ecc ece ech ecn eco ecr eec eee een eeo eep eer eey ehc ehe ehh ehn eho ehp ehr en- enc ene enh enn eno enp enr eny eo- eoc eoe eoh eon eoo eop eor ep- epc epe eph epn epo epp epr erc ere erh ern ero erp err ery eyc eye eyn eyo eyp eyr hcc hce hch hcn hco hcp hcr hcy he- hec hee heh hen heo hep her hey hhc hhe hhh hhn hho hhp hhr hhy hnc hne hnh hnn hno hny hoc hoe hoh hon hoo hop hor hoy hpc hpe hph hpn hpo hpp hpr hpy hr- hrc hre hrh hrn hro hrp hrr hy- hyc hye hyh hyn hyo hyp hyr hyy ncc nce nch ncn nco ncp ncr ne- nec nee neh nen neo nep ner ney nhc nhe nhh nhn nhp nhr nhy nnc nne nnh nnn nno nnp no- noc noe noh non noo nop nor noy npc npe nph npn npo npp npr nrc nre nrn nro nrp nrr nry nyc nye nyn nyo nyp nyy oc- occ och ocn oco ocp ocr oec oee oeh oen oeo oep oer oey ohc ohe ohh ohn oho ohp ohr on- onc one onh onn ono onp onr ony oo- ooc ooh oon ooo oop oor op- opc ope oph opn opo opp opr opy or- orc ore orh orn oro orp orr ory oye oyo p-p pcc pce pch pcn pco pcp pcr pec pee peh pen peo pep per pey phc phe phn pho php phr phy pn- pnc pne pnh pnn pno pnp pnr pny poc poe poh pon poo pop por poy ppc ppe pph ppn ppo ppp ppr prc pre prh prn pro prp prr pry py- pyc pye pyn pyo pyr rcc rce rch rcn rco rcp rcr re- rec ree reh ren reo rep rer rey rh- rhc rhe rhh rhn rho rhp rhr rnc rnh rnn rno rnp rnr rny roc roe roh ron roo rop ror roy rpc rpe rph rpn rpo rpp rpr rrc rrh rrn rrp rrr ry- ryc rye ryn ryo ryr ryy ycc yce ych yco ycp ycy yec yee yeh yen yeo yep yer yey yhc yhe yne ynn ynp yny yoc yoe yon yoo yop yor yoy ypo yrc yre yrn yro yrp yyc yye yyy