-ic -ol c-- ccc cce cci ccl cco ccp ce- cec cee cei cel ceo cep ci- cic cie cii cil cio cip cl- clc cle cli cll clo clp co- coc coe coi col coo cop cpc cpe cpi cpl cpo cpp ec- ecc ece eci ecl eco eec eee eel eeo eep eic eie eii eil eio eip elc ele eli ell elo elp eo- eoc eoe eoi eol eoo eop ep- epc epe epi epl epo epp icc ice ici icl ico icp ie- iec iee iei iel iep iic iie iii iil iio iip il- ilc ile ili ill ilo ilp io- ioc ioe ioi iol ioo iop ipc ipe ipi ipl ipo ipp l-p lcc lce lci lcl lco lcp lec lee lei lel leo lep lic lie lii lil lio lip llc lle lli lll llo llp loc loe loi lol loo lop lpc lpe lpi lpl lpo lpp o-i oc- occ oci ocl oco ocp oec oee oei oel oeo oep oic oie oii oil oio oip olc ole oli oll olo olp oo- ooc ooi ool ooo oop op- opc ope opi opl opo opp p-p pcc pce pci pcl pco pcp pec pee pei pel peo pep pic pie pii pil pio pip plc ple pli pll plo plp poc poe poi pol poo pop ppc ppe ppi ppl ppo ppp