-er -ic c-- ccc cce cci ccm ccp ccr cct ce- cec cee cei cem cep cer cet ci- cic cie cii cim cip cir cit cmc cme cmi cmm cmp cmr cmt cpc cpe cpi cpm cpp cpr cpt crc cre cri crm crp crr crt ctc cte cti ctm ctp ctr ctt ec- ecc ece eci ecm ecr ect eec eee eem eep eer eet eic eie eii eim eip eir eit em- emc eme emi emm emp emr emt ep- epc epe epi epm epp epr ept erc ere eri erm erp err ert etc ete eti etm etp etr ett icc ice ici icm icp icr ict ie- iec iee iei iem iep ier iet iic iie iii iim iip iir iit im- imc ime imi imm imp imt ipc ipe ipi ipm ipp ipr ipt ir- irc ire iri irm irp irr irt itc ite iti itm itp itt m-r mc- mcc mce mci mcm mcp mcr mct mec mee mei mem mep mer met mi- mic mie mii mim mip mir mit mmc mme mmi mmm mmp mmr mmt mpc mpe mpi mpm mpp mpr mpt mrc mre mri mrm mrp mrr mrt mtc mte mti mtm mtp mtr mtt p-p pcc pce pci pcm pcp pcr pct pec pee pei pem pep per pet pic pie pii pim pip pir pit pmc pme pmi pmm pmp pmr pmt ppc ppe ppi ppm ppp ppr ppt prc pre pri prm prp prr prt pt- ptc pte pti ptm ptp ptr ptt rcc rce rci rcm rcp rcr rct re- rec ree rei rem rep rer ret ric rie rii rim rip rir rit rmc rme rmi rmm rmp rmr rmt rpc rpe rpi rpm rpp rpr rpt rrc rri rrm rrp rrr rrt rtc rte rti rtm rtp rtr rtt tcc tce tci tcm tcp tcr tct te- tec tee tei tem tep ter tet tic tie tii tim tip tir tit tmc tme tmi tmm tmp tmr tmt tpc tpe tpi tpm tpp tpr tpt trc tre tri trm trp trr trt ttc tte tti ttm ttp ttr ttt