-ic c-- ccc cce ccf cci cco ccp ce- cec cee cef cei ceo cep cfc cfe cff cfi cfo cfp ci- cic cie cif cii cio cip co- coc coe cof coi coo cop cpc cpe cpf cpi cpo cpp ec- ecc ece ecf eci eco eec eee eef eeo eep ef- efc efe eff efi efo efp eic eie eif eii eio eip eo- eoc eoe eof eoi eoo eop ep- epc epe epf epi epo epp fcc fce fcf fci fco fcp fec fee fef fei feo fep ffc ffe fff ffi ffo ffp fic fie fif fii fip foc foe fof foi foo fop fpc fpe fpi fpo fpp i-f icc ice icf ici ico icp ie- iec iee ief iei iep ifc ife iff ifi ifo ifp iic iie iif iii iio iip io- ioc ioe iof ioi ioo iop ipc ipe ipf ipi ipo ipp o-i oc- occ ocf oci oco ocp oec oee oef oei oeo oep of- ofc ofe off ofi ofo ofp oic oie oif oii oio oip oo- ooc oof ooi ooo oop op- opc ope opf opi opo opp p-p pcc pce pcf pci pco pcp pec pee pef pei peo pep pfc pfe pff pfi pfo pfp pic pie pif pii pio pip poc poe pof poi poo pop ppc ppe ppf ppi ppo ppp