-er -ic c-- ccc cce cch cci ccm cco ccp ccr ccx ce- cec cee ceh cei cem ceo cep cer cex ch- chc che chh chi chm cho chp chr chx ci- cic cie cih cii cim cio cip cir cix cmc cme cmh cmi cmm cmo cmp cmr cmx co- coc coe coh coi com coo cop cor cox cpc cpe cph cpi cpm cpo cpp cpr cpx crc cre crh cri crm cro crp crr crx cxc cxh cxi cxo cxp cxr cxx ec- ecc ece ech eci ecm eco ecr ecx eec eee eem eeo eep eer eex ehc ehe ehh ehi ehm eho ehp ehr eic eie eii eim eio eip eir eix em- emc eme emh emi emm emo emp emr emx eo- eoc eoe eoh eoi eom eoo eop eor ep- epc epe eph epi epm epo epp epr epx erc ere erh eri erm ero erp err ex- exc exe exh exi exo exp exr exx h-i hcc hce hch hci hcm hco hcp hcr he- hec hee heh hei hem heo hep her hex hhc hhe hhh hhi hhm hho hhp hhr hic hie hih hii him hio hip hir hix hmc hme hmh hmi hmm hmo hmp hmr hmx hoc hoe hoh hoi hom hoo hop hor hox hpc hpe hph hpi hpm hpo hpp hpr hr- hrc hre hrh hri hrm hro hrp hrr hxc hxm icc ice ich ici icm ico icp icr ie- iec iee iei iem iep ier iex ihc ihe ihh ihi ihm iho ihp ihr iic iie iih iii iim iio iip iir iix im- imc ime imh imi imm imo imp imx io- ioc ioe ioh ioi iom ioo iop ior ipc ipe ipi ipm ipo ipp ipr ipx ir- irc ire iri irm iro irp irr irx ixc ixe ixi m-o m-r mc- mcc mce mch mci mcm mco mcp mcr mcx mec mee meh mei mem meo mep mer mex mhc mhh mhi mhm mho mhp mhr mhx mi- mic mie mih mii mim mio mip mir mix mmc mme mmh mmi mmm mmo mmp mmr mmx moc moe moh moi mom moo mop mor mox mpc mpe mph mpi mpm mpo mpp mpr mpx mrc mre mrh mri mrm mro mrp mrr mrx mxc mxi mxp mxr o-i oc- occ och oci ocm oco ocp ocr ocx oec oee oeh oei oem oeo oep oer oex ohc ohe ohh ohi ohm oho ohp ohr oic oie oii oim oio oip oir om- omc ome omh omi omm omo omp omr omx oo- ooc ooh ooi oom ooo oop oor oox op- opc ope oph opi opm opo opp opr opx or- orc ore orh ori orm oro orp orr orx ox- oxc oxi oxo oxx p-p pcc pce pch pci pcm pco pcp pcr pcx pec pee peh pei pem peo pep per pex phc phe phi phm pho php phr phx pic pie pih pii pim pio pip pir pix pmc pme pmh pmi pmm pmo pmp pmr pmx poc poe poh poi pom poo pop por pox ppc ppe pph ppi ppm ppo ppp ppr ppx prc pre prh pri prm pro prp prr prx pxc pxe pxm pxr rcc rce rch rci rcm rco rcp rcr rcx re- rec ree reh rei rem reo rep rer rex rh- rhc rhe rhh rhi rhm rho rhp rhr ric rie rih rii rim rio rip rir rix rmc rme rmh rmi rmm rmo rmp rmr rmx roc roe roh roi rom roo rop ror rox rpc rpe rph rpi rpm rpo rpp rpr rpx rrc rrh rri rrm rrp rrr rxp rxr xch xci xcp xcr xcx xee xem xep xer xex xhp xic xie xii xio xix xmc xmh xmi xmm xmo xmp xmr xmx xoc xoi xom xoo xop xor xox xpc xpe xpm xpo xpp xrc xrx xxi xxo xxp xxx