-ic c-- ccc cce ccf cci ccm cco ccs ce- cec cee cef cei cem ceo ces cfc cfe cff cfi cfm cfo cfs ci- cic cie cif cii cim cio cis cmc cme cmf cmi cmm cmo cms co- coc coe cof coi com coo cos csc cse csf csi csm cso css ec- ecc ece ecf eci ecm eco ecs eec eee eef eem eeo ees ef- efc efe eff efi efm efo efs eic eie eif eii eim eio eis em- emc eme emf emi emm emo ems eo- eoc eoe eof eoi eom eoo eos es- esc ese esf esi esm eso ess fcc fce fcf fci fcm fco fcs fec fee fef fei fem feo fes ffc ffe fff ffi ffm ffo ffs fic fie fif fii fim fis fmc fme fmf fmi fmm fmo fms foc foe fof foi fom foo fos fsc fse fsf fsi fsm fso fss i-f icc ice icf ici icm ico ics ie- iec iee ief iei iem ies ifc ife iff ifi ifm ifo ifs iic iie iif iii iim iio iis im- imc ime imf imi imm imo ims io- ioc ioe iof ioi iom ioo ios is- isc ise isf isi ism iso iss m-f m-o mc- mcc mce mcf mci mcm mco mcs mec mee mef mei mem meo mes mfc mfe mff mfi mfm mfo mfs mi- mic mie mif mii mim mio mis mmc mme mmf mmi mmm mmo mms moc moe mof moi mom moo mos msc mse msf msi msm mso mss o-i oc- occ ocf oci ocm oco ocs oec oee oef oei oem oeo oes of- ofc ofe off ofi ofm ofo ofs oic oie oif oii oim oio ois om- omc ome omf omi omm omo oms oo- ooc oof ooi oom ooo oos os- osc ose osf osi osm oso oss scc sce scf sci scm sco scs se- sec see sef sei sem seo ses sfc sfe sff sfi sfm sfo sfs sic sie sif sii sim sio sis smc sme smf smi smm smo sms soc soe sof soi som soo sos ss- ssc sse ssf ssi ssm sso sss