-er -ey -ic c-- ccc cce cci ccn ccp ccr ce- cec cee cei cen cep cer cey ci- cic cie cii cin cip cir cn- cnc cne cni cnn cnp cnr cny cpc cpe cpi cpn cpp cpr crc cre cri crn crp crr cry cyc cye cyn cyp cyr ec- ecc ece eci ecn ecr eec eee een eep eer eey eic eie eii ein eip eir en- enc ene eni enn enp enr eny ep- epc epe epi epn epp epr erc ere eri ern erp err ery eyc eye eyn eyp eyr icc ice ici icn icp icr icy ie- iec iee iei ien iep ier iey iic iie iii iin iip iir in- inc ine ini inn inp inr iny ipc ipe ipi ipn ipp ipr ipy ir- irc ire iri irn irp irr iry iyc iye iyr iyy n-i ncc nce nci ncn ncp ncr ne- nec nee nei nen nep ner ney nic nie nii nin nip nir nnc nne nni nnn nnp npc npe npi npn npp npr nrc nre nri nrn nrp nrr nry nyc nye nyn nyp nyy p-p pcc pce pci pcn pcp pcr pec pee pei pen pep per pey pic pie pii pin pip pir pn- pnc pne pni pnn pnp pnr pny ppc ppe ppi ppn ppp ppr prc pre pri prn prp prr pry py- pyc pye pyn pyr rcc rce rci rcn rcp rcr re- rec ree rei ren rep rer rey ric rie rii rin rip rir riy rnc rni rnn rnp rnr rny rpc rpe rpi rpn rpp rpr rrc rri rrn rrp rrr ry- ryc rye ryn ryr ryy ycc yce yci ycp ycy yec yee yei yen yep yer yey yie yii yin yip yir yne ynn ynp yny yrc yre yrn yrp yyc yye yyy