-er -ic c-- ccc cce cch cci ccm cco ccr ccs ccx ce- cec cee ceh cei cem ceo cer ces cex ch- chc che chh chi chm cho chr chs chx ci- cic cie cih cii cim cio cir cis cix cmc cme cmh cmi cmm cmo cmr cms cmx co- coc coe coh coi com coo cor cos cox crc cre crh cri crm cro crr crs crx csc cse csh csi csm cso csr css csx cxc cxh cxi cxo cxr cxs cxx ec- ecc ece ech eci ecm eco ecr ecs ecx eec eee eem eeo eer ees eex ehc ehe ehh ehi ehm eho ehr ehs eic eie eii eim eio eir eis eix em- emc eme emh emi emm emo emr ems emx eo- eoc eoe eoh eoi eom eoo eor eos erc ere erh eri erm ero err ers es- esc ese esh esi esm eso esr ess esx ex- exc exe exh exi exo exr exs exx h-i hcc hce hch hci hcm hco hcr hcs he- hec hee heh hei hem heo her hes hex hhc hhe hhh hhi hhm hho hhr hhs hic hie hih hii him hio hir his hix hmc hme hmh hmi hmm hmo hmr hms hmx hoc hoe hoh hoi hom hoo hor hos hox hr- hrc hre hrh hri hrm hro hrr hrs hsc hse hsh hsi hsm hsr hss hsx hxc hxm icc ice ich ici icm ico icr ics ie- iec iee iei iem ier ies iex ihc ihe ihh ihi ihm iho ihr ihs iic iie iih iii iim iio iir iis iix im- imc ime imh imi imm imo ims imx io- ioc ioe ioh ioi iom ioo ior ios ir- irc ire iri irm iro irr irs irx is- isc ise ish isi ism iso isr iss ixc ixe ixi m-o m-r mc- mcc mce mch mci mcm mco mcr mcs mcx mec mee meh mei mem meo mer mes mex mhc mhh mhi mhm mho mhr mhs mhx mi- mic mie mih mii mim mio mir mis mix mmc mme mmh mmi mmm mmo mmr mms mmx moc moe moh moi mom moo mor mos mox mrc mre mrh mri mrm mro mrr mrs mrx msc mse msh msi msm mso msr mss msx mxc mxi mxr mxs o-i oc- occ och oci ocm oco ocr ocs ocx oec oee oeh oei oem oeo oer oes oex ohc ohe ohh ohi ohm oho ohr ohs oic oie oii oim oio oir ois om- omc ome omh omi omm omo omr oms omx oo- ooc ooh ooi oom ooo oor oos oox or- orc ore orh ori orm oro orr ors orx os- osc ose osh osi osm oso osr oss osx ox- oxc oxi oxo oxx rcc rce rch rci rcm rco rcr rcs rcx re- rec ree reh rei rem reo rer res rex rh- rhc rhe rhh rhi rhm rho rhr rhs ric rie rih rii rim rio rir ris rix rmc rme rmh rmi rmm rmo rmr rms rmx roc roe roh roi rom roo ror ros rox rrc rrh rri rrm rrr rrs rsc rse rsh rsi rsm rso rsr rss rsx rxr rxs scc sce sch sci scm sco scr scs scx se- sec see seh sei sem seo ser ses sex sh- shc she shh shi shm sho shr shs sic sie sih sii sim sio sir sis six smc sme smh smi smm smo smr sms smx soc soe soh soi som soo sor sos sox sr- src sre srh sri srm sro srr srs srx ss- ssc sse ssh ssi ssm sso ssr sss ssx sxc sxi sxm sxs xch xci xcr xcx xee xem xer xes xex xic xie xii xio xis xix xmc xmh xmi xmm xmo xmr xms xmx xoc xoi xom xoo xor xos xox xrc xrx xsc xsi xsm xss xxi xxo xxx