-ic c-- ccc cce cci ccm cco ccp ccs ccx ce- cec cee cei cem ceo cep ces cex ci- cic cie cii cim cio cip cis cix cmc cme cmi cmm cmo cmp cms cmx co- coc coe coi com coo cop cos cox cpc cpe cpi cpm cpo cpp cps cpx csc cse csi csm cso csp css csx cxc cxi cxo cxp cxs cxx ec- ecc ece eci ecm eco ecs ecx eec eee eem eeo eep ees eex eic eie eii eim eio eip eis eix em- emc eme emi emm emo emp ems emx eo- eoc eoe eoi eom eoo eop eos ep- epc epe epi epm epo epp eps epx es- esc ese esi esm eso esp ess esx ex- exc exe exi exo exp exs exx icc ice ici icm ico icp ics ie- iec iee iei iem iep ies iex iic iie iii iim iio iip iis iix im- imc ime imi imm imo imp ims imx io- ioc ioe ioi iom ioo iop ios ipc ipe ipi ipm ipo ipp ips ipx is- isc ise isi ism iso isp iss ixc ixe ixi m-o mc- mcc mce mci mcm mco mcp mcs mcx mec mee mei mem meo mep mes mex mi- mic mie mii mim mio mip mis mix mmc mme mmi mmm mmo mmp mms mmx moc moe moi mom moo mop mos mox mpc mpe mpi mpm mpo mpp mps mpx msc mse msi msm mso msp mss msx mxc mxi mxp mxs o-i oc- occ oci ocm oco ocp ocs ocx oec oee oei oem oeo oep oes oex oic oie oii oim oio oip ois om- omc ome omi omm omo omp oms omx oo- ooc ooi oom ooo oop oos oox op- opc ope opi opm opo opp ops opx os- osc ose osi osm oso osp oss osx ox- oxc oxi oxo oxx p-p pcc pce pci pcm pco pcp pcs pcx pec pee pei pem peo pep pes pex pic pie pii pim pio pip pis pix pmc pme pmi pmm pmo pmp pms pmx poc poe poi pom poo pop pos pox ppc ppe ppi ppm ppo ppp pps ppx ps- psc pse psi psm pso psp pss psx pxc pxe pxm pxs scc sce sci scm sco scp scs scx se- sec see sei sem seo sep ses sex sic sie sii sim sio sip sis six smc sme smi smm smo smp sms smx soc soe soi som soo sop sos sox spc spe spi spm spo spp sps spx ss- ssc sse ssi ssm sso ssp sss ssx sxc sxi sxm sxs xci xcp xcx xee xem xep xes xex xic xie xii xio xis xix xmc xmi xmm xmo xmp xms xmx xoc xoi xom xoo xop xos xox xpc xpe xpm xpo xpp xps xsc xsi xsm xsp xss xxi xxo xxp xxx