-er -ey -ic c-- ccc cce ccf cci ccn cco ccp ccr ce- cec cee cef cei cen ceo cep cer cey cfc cfe cff cfi cfn cfo cfp cfr ci- cic cie cif cii cin cio cip cir cn- cnc cne cnf cni cnn cno cnp cnr cny co- coc coe cof coi con coo cop cor coy cpc cpe cpf cpi cpn cpo cpp cpr crc cre crf cri crn cro crp crr cry cyc cye cyf cyn cyo cyp cyr ec- ecc ece ecf eci ecn eco ecr eec eee eef een eeo eep eer eey ef- efc efe eff efi efo efp efr eic eie eif eii ein eio eip eir en- enc ene enf eni enn eno enp enr eny eo- eoc eoe eof eoi eon eoo eop eor ep- epc epe epf epi epn epo epp epr erc ere erf eri ern ero erp err ery eyc eye eyn eyo eyp eyr fcc fce fcf fci fcn fco fcp fcr fcy fec fee fef fei fen feo fep fer fey ffc ffe fff ffi ffn ffo ffp ffr ffy fic fie fif fii fin fip fir fnc fne fnf fni fnn fnp fnr foc foe fof foi fon foo fop for foy fpc fpe fpi fpn fpo fpp fpr fpy frc fre frf fri frn fro frp frr fry fy- fyc fye fyi fyn fyo fyp i-f icc ice icf ici icn ico icp icr icy ie- iec iee ief iei ien iep ier iey ifc ife iff ifi ifn ifo ifp ifr ify iic iie iif iii iin iio iip iir in- inc ine inf ini inn ino inp inr iny io- ioc ioe iof ioi ion ioo iop ior ipc ipe ipf ipi ipn ipo ipp ipr ipy ir- irc ire irf iri irn iro irp irr iry iyc iye iyo iyr iyy n-i ncc nce ncf nci ncn nco ncp ncr ne- nec nee nef nei nen neo nep ner ney nfc nfe nff nfi nfn nfo nfp nfr nic nie nif nii nin nio nip nir nnc nne nnf nni nnn nno nnp no- noc noe nof noi non noo nop nor noy npc npe npf npi npn npo npp npr nrc nre nrf nri nrn nro nrp nrr nry nyc nye nyf nyn nyo nyp nyy o-i oc- occ ocf oci ocn oco ocp ocr oec oee oef oei oen oeo oep oer oey of- ofc ofe off ofi ofn ofo ofp ofr oic oie oif oii oin oio oip oir on- onc one onf oni onn ono onp onr ony oo- ooc oof ooi oon ooo oop oor op- opc ope opf opi opn opo opp opr opy or- orc ore orf ori orn oro orp orr ory oye oyi oyo p-p pcc pce pcf pci pcn pco pcp pcr pec pee pef pei pen peo pep per pey pfc pfe pff pfi pfn pfo pfp pfr pfy pic pie pif pii pin pio pip pir pn- pnc pne pnf pni pnn pno pnp pnr pny poc poe pof poi pon poo pop por poy ppc ppe ppf ppi ppn ppo ppp ppr prc pre prf pri prn pro prp prr pry py- pyc pye pyf pyn pyo pyr rcc rce rcf rci rcn rco rcp rcr re- rec ree ref rei ren reo rep rer rey rfc rfe rff rfi rfn rfo rfp rfr ric rie rif rii rin rio rip rir riy rnc rni rnn rno rnp rnr rny roc roe rof roi ron roo rop ror roy rpc rpe rpf rpi rpn rpo rpp rpr rrc rrf rri rrn rrp rrr ry- ryc rye ryf ryn ryo ryr ryy ycc yce ycf yci yco ycp ycy yec yee yef yei yen yeo yep yer yey yfc yfe yff yfr yie yif yii yin yio yip yir yne ynn ynp yny yoc yoe yof yoi yon yoo yop yor yoy ypf ypo yrc yre yrf yrn yro yrp yyc yye yyf yyy