-er -ey -ic c-- ccc cce cci ccn cco ccp ccr ce- cec cee cei cen ceo cep cer cey ci- cic cie cii cin cio cip cir cn- cnc cne cni cnn cno cnp cnr cny co- coc coe coi con coo cop cor coy cpc cpe cpi cpn cpo cpp cpr crc cre cri crn cro crp crr cry cyc cye cyn cyo cyp cyr ec- ecc ece eci ecn eco ecr eec eee een eeo eep eer eey eic eie eii ein eio eip eir en- enc ene eni enn eno enp enr eny eo- eoc eoe eoi eon eoo eop eor ep- epc epe epi epn epo epp epr erc ere eri ern ero erp err ery eyc eye eyn eyo eyp eyr icc ice ici icn ico icp icr icy ie- iec iee iei ien iep ier iey iic iie iii iin iio iip iir in- inc ine ini inn ino inp inr iny io- ioc ioe ioi ion ioo iop ior ipc ipe ipi ipn ipo ipp ipr ipy ir- irc ire iri irn iro irp irr iry iyc iye iyo iyr iyy n-i ncc nce nci ncn nco ncp ncr ne- nec nee nei nen neo nep ner ney nic nie nii nin nio nip nir nnc nne nni nnn nno nnp no- noc noe noi non noo nop nor noy npc npe npi npn npo npp npr nrc nre nri nrn nro nrp nrr nry nyc nye nyn nyo nyp nyy o-i oc- occ oci ocn oco ocp ocr oec oee oei oen oeo oep oer oey oic oie oii oin oio oip oir on- onc one oni onn ono onp onr ony oo- ooc ooi oon ooo oop oor op- opc ope opi opn opo opp opr opy or- orc ore ori orn oro orp orr ory oye oyi oyo p-p pcc pce pci pcn pco pcp pcr pec pee pei pen peo pep per pey pic pie pii pin pio pip pir pn- pnc pne pni pnn pno pnp pnr pny poc poe poi pon poo pop por poy ppc ppe ppi ppn ppo ppp ppr prc pre pri prn pro prp prr pry py- pyc pye pyn pyo pyr rcc rce rci rcn rco rcp rcr re- rec ree rei ren reo rep rer rey ric rie rii rin rio rip rir riy rnc rni rnn rno rnp rnr rny roc roe roi ron roo rop ror roy rpc rpe rpi rpn rpo rpp rpr rrc rri rrn rrp rrr ry- ryc rye ryn ryo ryr ryy ycc yce yci yco ycp ycy yec yee yei yen yeo yep yer yey yie yii yin yio yip yir yne ynn ynp yny yoc yoe yoi yon yoo yop yor yoy ypo yrc yre yrn yro yrp yyc yye yyy