-er -ic c-- ccc cce cch cci ccm cco ccp ccr ccs ccx ce- cec cee ceh cei cem ceo cep cer ces cex ch- chc che chh chi chm cho chp chr chs chx ci- cic cie cih cii cim cio cip cir cis cix cmc cme cmh cmi cmm cmo cmp cmr cms cmx co- coc coe coh coi com coo cop cor cos cox cpc cpe cph cpi cpm cpo cpp cpr cps cpx crc cre crh cri crm cro crp crr crs crx csc cse csh csi csm cso csp csr css csx cxc cxh cxi cxo cxp cxr cxs cxx ec- ecc ece ech eci ecm eco ecr ecs ecx eec eee eem eeo eep eer ees eex ehc ehe ehh ehi ehm eho ehp ehr ehs eic eie eii eim eio eip eir eis eix em- emc eme emh emi emm emo emp emr ems emx eo- eoc eoe eoh eoi eom eoo eop eor eos ep- epc epe eph epi epm epo epp epr eps epx erc ere erh eri erm ero erp err ers es- esc ese esh esi esm eso esp esr ess esx ex- exc exe exh exi exo exp exr exs exx h-i hcc hce hch hci hcm hco hcp hcr hcs he- hec hee heh hei hem heo hep her hes hex hhc hhe hhh hhi hhm hho hhp hhr hhs hic hie hih hii him hio hip hir his hix hmc hme hmh hmi hmm hmo hmp hmr hms hmx hoc hoe hoh hoi hom hoo hop hor hos hox hpc hpe hph hpi hpm hpo hpp hpr hps hr- hrc hre hrh hri hrm hro hrp hrr hrs hsc hse hsh hsi hsm hsp hsr hss hsx hxc hxm icc ice ich ici icm ico icp icr ics ie- iec iee iei iem iep ier ies iex ihc ihe ihh ihi ihm iho ihp ihr ihs iic iie iih iii iim iio iip iir iis iix im- imc ime imh imi imm imo imp ims imx io- ioc ioe ioh ioi iom ioo iop ior ios ipc ipe ipi ipm ipo ipp ipr ips ipx ir- irc ire iri irm iro irp irr irs irx is- isc ise ish isi ism iso isp isr iss ixc ixe ixi m-o m-r mc- mcc mce mch mci mcm mco mcp mcr mcs mcx mec mee meh mei mem meo mep mer mes mex mhc mhh mhi mhm mho mhp mhr mhs mhx mi- mic mie mih mii mim mio mip mir mis mix mmc mme mmh mmi mmm mmo mmp mmr mms mmx moc moe moh moi mom moo mop mor mos mox mpc mpe mph mpi mpm mpo mpp mpr mps mpx mrc mre mrh mri mrm mro mrp mrr mrs mrx msc mse msh msi msm mso msp msr mss msx mxc mxi mxp mxr mxs o-i oc- occ och oci ocm oco ocp ocr ocs ocx oec oee oeh oei oem oeo oep oer oes oex ohc ohe ohh ohi ohm oho ohp ohr ohs oic oie oii oim oio oip oir ois om- omc ome omh omi omm omo omp omr oms omx oo- ooc ooh ooi oom ooo oop oor oos oox op- opc ope oph opi opm opo opp opr ops opx or- orc ore orh ori orm oro orp orr ors orx os- osc ose osh osi osm oso osp osr oss osx ox- oxc oxi oxo oxx p-p pcc pce pch pci pcm pco pcp pcr pcs pcx pec pee peh pei pem peo pep per pes pex phc phe phi phm pho php phr phs phx pic pie pih pii pim pio pip pir pis pix pmc pme pmh pmi pmm pmo pmp pmr pms pmx poc poe poh poi pom poo pop por pos pox ppc ppe pph ppi ppm ppo ppp ppr pps ppx prc pre prh pri prm pro prp prr prs prx ps- psc pse psh psi psm pso psp psr pss psx pxc pxe pxm pxr pxs rcc rce rch rci rcm rco rcp rcr rcs rcx re- rec ree reh rei rem reo rep rer res rex rh- rhc rhe rhh rhi rhm rho rhp rhr rhs ric rie rih rii rim rio rip rir ris rix rmc rme rmh rmi rmm rmo rmp rmr rms rmx roc roe roh roi rom roo rop ror ros rox rpc rpe rph rpi rpm rpo rpp rpr rps rpx rrc rrh rri rrm rrp rrr rrs rsc rse rsh rsi rsm rso rsp rsr rss rsx rxp rxr rxs scc sce sch sci scm sco scp scr scs scx se- sec see seh sei sem seo sep ser ses sex sh- shc she shh shi shm sho shp shr shs sic sie sih sii sim sio sip sir sis six smc sme smh smi smm smo smp smr sms smx soc soe soh soi som soo sop sor sos sox spc spe sph spi spm spo spp spr sps spx sr- src sre srh sri srm sro srp srr srs srx ss- ssc sse ssh ssi ssm sso ssp ssr sss ssx sxc sxi sxm sxs xch xci xcp xcr xcx xee xem xep xer xes xex xhp xic xie xii xio xis xix xmc xmh xmi xmm xmo xmp xmr xms xmx xoc xoi xom xoo xop xor xos xox xpc xpe xpm xpo xpp xps xrc xrx xsc xsi xsm xsp xss xxi xxo xxp xxx