-er -ey -ic c-- ccc cce cch cci ccp ccr ccs ce- cec cee ceh cei cep cer ces cey ch- chc che chh chi chp chr chs chy ci- cic cie cih cii cip cir cis cpc cpe cph cpi cpp cpr cps crc cre crh cri crp crr crs cry csc cse csh csi csp csr css csy cyc cye cyp cyr cys ec- ecc ece ech eci ecr ecs eec eee eep eer ees eey ehc ehe ehh ehi ehp ehr ehs eic eie eii eip eir eis ep- epc epe eph epi epp epr eps erc ere erh eri erp err ers ery es- esc ese esh esi esp esr ess esy eyc eye eyp eyr eys h-i hcc hce hch hci hcp hcr hcs hcy he- hec hee heh hei hep her hes hey hhc hhe hhh hhi hhp hhr hhs hhy hic hie hih hii hip hir his hpc hpe hph hpi hpp hpr hps hpy hr- hrc hre hrh hri hrp hrr hrs hsc hse hsh hsi hsp hsr hss hsy hy- hyc hye hyh hyi hyp hyr hys hyy icc ice ich ici icp icr ics icy ie- iec iee iei iep ier ies iey ihc ihe ihh ihi ihp ihr ihs ihy iic iie iih iii iip iir iis ipc ipe ipi ipp ipr ips ipy ir- irc ire iri irp irr irs iry is- isc ise ish isi isp isr iss isy iyc iye iyr iys iyy p-p pcc pce pch pci pcp pcr pcs pec pee peh pei pep per pes pey phc phe phi php phr phs phy pic pie pih pii pip pir pis ppc ppe pph ppi ppp ppr pps prc pre prh pri prp prr prs pry ps- psc pse psh psi psp psr pss psy py- pyc pye pyr pys rcc rce rch rci rcp rcr rcs re- rec ree reh rei rep rer res rey rh- rhc rhe rhh rhi rhp rhr rhs ric rie rih rii rip rir ris riy rpc rpe rph rpi rpp rpr rps rrc rrh rri rrp rrr rrs rsc rse rsh rsi rsp rsr rss ry- ryc rye ryr rys ryy scc sce sch sci scp scr scs se- sec see seh sei sep ser ses sey sh- shc she shh shi shp shr shs shy sic sie sih sii sip sir sis spc spe sph spi spp spr sps spy sr- src sre srh sri srp srr srs sry ss- ssc sse ssh ssi ssp ssr sss sy- syc sye syh syi syp syr sys ycc yce ych yci ycp ycs ycy yec yee yeh yei yep yer yes yey yhc yhe yhi yhs yie yih yii yip yir yis yps yrc yre yrp yrs ysc yse ysi ysp ysr yss ysy yyc yye yys yyy