-ic c-- ccc cce ccf cci ccm cco ce- cec cee cef cei cem ceo cfc cfe cff cfi cfm cfo ci- cic cie cif cii cim cio cmc cme cmf cmi cmm cmo co- coc coe cof coi com coo ec- ecc ece ecf eci ecm eco eec eee eef eem eeo ef- efc efe eff efi efm efo eic eie eif eii eim eio em- emc eme emf emi emm emo eo- eoc eoe eof eoi eom eoo fcc fce fcf fci fcm fco fec fee fef fei fem feo ffc ffe fff ffi ffm ffo fic fie fif fii fim fmc fme fmf fmi fmm fmo foc foe fof foi fom foo i-f icc ice icf ici icm ico ie- iec iee ief iei iem ifc ife iff ifi ifm ifo iic iie iif iii iim iio im- imc ime imf imi imm imo io- ioc ioe iof ioi iom ioo m-f m-o mc- mcc mce mcf mci mcm mco mec mee mef mei mem meo mfc mfe mff mfi mfm mfo mi- mic mie mif mii mim mio mmc mme mmf mmi mmm mmo moc moe mof moi mom moo o-i oc- occ ocf oci ocm oco oec oee oef oei oem oeo of- ofc ofe off ofi ofm ofo oic oie oif oii oim oio om- omc ome omf omi omm omo oo- ooc oof ooi oom ooo