-er -ey -ic c-- ccc cce cch cci cco ccp ccr ccs ce- cec cee ceh cei ceo cep cer ces cey ch- chc che chh chi cho chp chr chs chy ci- cic cie cih cii cio cip cir cis co- coc coe coh coi coo cop cor cos coy cpc cpe cph cpi cpo cpp cpr cps crc cre crh cri cro crp crr crs cry csc cse csh csi cso csp csr css csy cyc cye cyo cyp cyr cys ec- ecc ece ech eci eco ecr ecs eec eee eeo eep eer ees eey ehc ehe ehh ehi eho ehp ehr ehs eic eie eii eio eip eir eis eo- eoc eoe eoh eoi eoo eop eor eos ep- epc epe eph epi epo epp epr eps erc ere erh eri ero erp err ers ery es- esc ese esh esi eso esp esr ess esy eyc eye eyo eyp eyr eys h-i hcc hce hch hci hco hcp hcr hcs hcy he- hec hee heh hei heo hep her hes hey hhc hhe hhh hhi hho hhp hhr hhs hhy hic hie hih hii hio hip hir his hoc hoe hoh hoi hoo hop hor hos hoy hpc hpe hph hpi hpo hpp hpr hps hpy hr- hrc hre hrh hri hro hrp hrr hrs hsc hse hsh hsi hsp hsr hss hsy hy- hyc hye hyh hyi hyo hyp hyr hys hyy icc ice ich ici ico icp icr ics icy ie- iec iee iei iep ier ies iey ihc ihe ihh ihi iho ihp ihr ihs ihy iic iie iih iii iio iip iir iis io- ioc ioe ioh 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 ish isi iso isp isr iss isy iyc iye iyo iyr iys iyy o-i oc- occ och oci oco ocp ocr ocs oec oee oeh oei oeo oep oer oes oey ohc ohe ohh ohi oho ohp ohr ohs oic oie oii oio oip oir ois oo- ooc ooh ooi ooo oop oor oos op- opc ope oph opi opo opp opr ops opy or- orc ore orh ori oro orp orr ors ory os- osc ose osh osi oso osp osr oss oye oyi oyo oys p-p pcc pce pch pci pco pcp pcr pcs pec pee peh pei peo pep per pes pey phc phe phi pho php phr phs phy pic pie pih pii pio pip pir pis poc poe poh poi poo pop por pos poy ppc ppe pph ppi ppo ppp ppr pps prc pre prh pri pro prp prr prs pry ps- psc pse psh psi pso psp psr pss psy py- pyc pye pyo pyr pys rcc rce rch rci rco rcp rcr rcs re- rec ree reh rei reo rep rer res rey rh- rhc rhe rhh rhi rho rhp rhr rhs ric rie rih rii rio rip rir ris riy roc roe roh roi roo rop ror ros roy rpc rpe rph rpi rpo rpp rpr rps rrc rrh rri rrp rrr rrs rsc rse rsh rsi rso rsp rsr rss ry- ryc rye ryo ryr rys ryy scc sce sch sci sco scp scr scs se- sec see seh sei seo sep ser ses sey sh- shc she shh shi sho shp shr shs shy sic sie sih sii sio sip sir sis soc soe soh soi soo sop sor sos soy spc spe sph spi spo spp spr sps spy sr- src sre srh sri sro srp srr srs sry ss- ssc sse ssh ssi sso ssp ssr sss sy- syc sye syh syi syp syr sys ycc yce ych yci yco ycp ycs ycy yec yee yeh yei yeo yep yer yes yey yhc yhe yhi yhs yie yih 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