-ic c-- ccc cce ccf cci cck cco ce- cec cee cef cei cek ceo cfc cfe cff cfi cfk cfo ci- cic cie cif cii cik cio ckc cki cko co- coc coe cof coi cok coo ec- ecc ece ecf eci eck eco eec eee eef eek eeo ef- efc efe eff efi efo eic eie eif eii eik eio ekc eke ekf eki eko eo- eoc eoe eof eoi eok eoo fcc fce fcf fci fck fco fec fee fef fei fek feo ffc ffe fff ffi ffk ffo fic fie fif fii fik fkc fkf fki fkk foc foe fof foi fok foo i-f icc ice icf ici ick ico ie- iec iee ief iei iek ifc ife iff ifi ifo iic iie iif iii iio ikc ike ikf iki ikk iko io- ioc ioe iof ioi ioo kcc kce kci kck ke- kec kee kef kei kek keo kfc kff kfi kfo kic kie kif kii kik kio kkc kke kki kkk koc koe kof koi kok koo o-i oc- occ ocf oci ock oco oec oee oef oei oeo of- ofc ofe off ofi ofo oic oie oif oii oik oio okc oke oki okk oko oo- ooc oof ooi ook ooo