-er -ey -ic c-- ccc cce cci cco ccp ccr ccs ce- cec cee cei ceo cep cer ces cey ci- cic cie cii cio cip cir cis co- coc coe coi coo cop cor cos coy cpc cpe cpi cpo cpp cpr cps crc cre cri cro crp crr crs cry csc cse csi cso csp csr css csy cyc cye cyo cyp cyr cys ec- ecc ece eci eco ecr ecs eec eee eeo eep eer ees eey eic eie eii eio eip eir eis eo- eoc eoe eoi eoo eop eor eos ep- epc epe epi epo epp epr eps erc ere eri ero erp err ers ery es- esc ese esi eso esp esr ess esy eyc eye eyo eyp eyr eys icc ice ici ico icp icr ics icy ie- iec iee iei iep ier ies iey iic iie iii iio iip iir iis io- ioc ioe ioi ioo iop ior ios ipc ipe ipi ipo ipp ipr ips ipy ir- irc ire iri iro irp irr irs iry is- isc ise isi iso isp isr iss isy iyc iye iyo iyr iys iyy o-i oc- occ oci oco ocp ocr ocs oec oee oei oeo oep oer oes oey oic oie oii oio oip oir ois oo- ooc ooi ooo oop oor oos op- opc ope opi opo opp opr ops opy or- orc ore ori oro orp orr ors ory os- osc ose osi oso osp osr oss oye oyi oyo oys p-p pcc pce pci pco pcp pcr pcs pec pee pei peo pep per pes pey pic pie pii pio pip pir pis poc poe poi poo pop por pos poy ppc ppe ppi ppo ppp ppr pps prc pre pri pro prp prr prs pry ps- psc pse psi pso psp psr pss psy py- pyc pye pyo pyr pys rcc rce rci rco rcp rcr rcs re- rec ree rei reo rep rer res rey ric rie rii rio rip rir ris riy roc roe roi roo rop ror ros roy rpc rpe rpi rpo rpp rpr rps rrc rri rrp rrr rrs rsc rse rsi rso rsp rsr rss ry- ryc rye ryo ryr rys ryy scc sce sci sco scp scr scs se- sec see sei seo sep ser ses sey sic sie sii sio sip sir sis soc soe soi soo sop sor sos soy spc spe spi spo spp spr sps spy sr- src sre sri sro srp srr srs sry ss- ssc sse ssi sso ssp ssr sss sy- syc sye syi syp syr sys ycc yce yci yco ycp ycs ycy yec yee yei yeo yep yer yes yey yie yii yio yip yir yis yoc yoe yoi yoo yop yor yos yoy ypo yps yrc yre yro yrp yrs ysc yse ysi yso ysp ysr yss ysy yyc yye yys yyy