-ic c-- ccc cce cci ccp cct ce- cec cee cei cep cet ci- cic cie cii cip cit cpc cpe cpi cpp cpt ctc cte cti ctp ctt ec- ecc ece eci ect eec eee eep eet eic eie eii eip eit ep- epc epe epi epp ept etc ete eti etp ett icc ice ici icp ict ie- iec iee iei iep iet iic iie iii iip iit ipc ipe ipi ipp ipt itc ite iti itp itt p-p pcc pce pci pcp pct pec pee pei pep pet pic pie pii pip pit ppc ppe ppi ppp ppt pt- ptc pte pti ptp ptt tcc tce tci tcp tct te- tec tee tei tep tet tic tie tii tip tit tpc tpe tpi tpp tpt ttc tte tti ttp ttt