-er -ic c-- ccc cce ccf cci ccm ccp ccr ccs cct ce- cec cee cef cei cem cep cer ces cet cfc cfe cff cfi cfm cfp cfr cfs cft ci- cic cie cif cii cim cip cir cis cit cmc cme cmf cmi cmm cmp cmr cms cmt cpc cpe cpf cpi cpm cpp cpr cps cpt crc cre crf cri crm crp crr crs crt csc cse csf csi csm csp csr css cst ctc cte ctf cti ctm ctp ctr cts ctt ec- ecc ece ecf eci ecm ecr ecs ect eec eee eef eem eep eer ees eet ef- efc efe eff efi efm efp efr efs eft eic eie eif eii eim eip eir eis eit em- emc eme emf emi emm emp emr ems emt ep- epc epe epf epi epm epp epr eps ept erc ere erf eri erm erp err ers ert es- esc ese esf esi esm esp esr ess est etc ete etf eti etm etp etr ets ett fcc fce fcf fci fcm fcp fcr fcs fct fec fee fef fei fem fep fer fes fet ffc ffe fff ffi ffm ffp ffr ffs fft fic fie fif fii fim fip fir fis fit fmc fme fmf fmi fmm fmp fmr fms fmt fpc fpe fpi fpm fpp fpr fps fpt frc fre frf fri frm frp frr frs frt fsc fse fsf fsi fsm fsp fsr fss fst ftc fte ftf fti ftm ftp ftr fts ftt i-f icc ice icf ici icm icp icr ics ict ie- iec iee ief iei iem iep ier ies iet ifc ife iff ifi ifm ifp ifr ifs ift iic iie iif iii iim iip iir iis iit im- imc ime imf imi imm imp ims imt ipc ipe ipf ipi ipm ipp ipr ips ipt ir- irc ire irf iri irm irp irr irs irt is- isc ise isf isi ism isp isr iss ist itc ite itf iti itm itp its itt m-f m-r mc- mcc mce mcf mci mcm mcp mcr mcs mct mec mee mef mei mem mep mer mes met mfc mfe mff mfi mfm mfp mfr mfs mft mi- mic mie mif mii mim mip mir mis mit mmc mme mmf mmi mmm mmp mmr mms mmt mpc mpe mpf mpi mpm mpp mpr mps mpt mrc mre mrf mri mrm mrp mrr mrs mrt msc mse msf msi msm msp msr mss mst mtc mte mtf mti mtm mtp mtr mts mtt p-p pcc pce pcf pci pcm pcp pcr pcs pct pec pee pef pei pem pep per pes pet pfc pfe pff pfi pfm pfp pfr pfs pft pic pie pif pii pim pip pir pis pit pmc pme pmf pmi pmm pmp pmr pms pmt ppc ppe ppf ppi ppm ppp ppr pps ppt prc pre prf pri prm prp prr prs prt ps- psc pse psf psi psm psp psr pss pst pt- ptc pte ptf pti ptm ptp ptr pts ptt rcc rce rcf rci rcm rcp rcr rcs rct re- rec ree ref rei rem rep rer res ret rfc rfe rff rfi rfm rfp rfr rfs rft ric rie rif rii rim rip rir ris rit rmc rme rmf rmi rmm rmp rmr rms rmt rpc rpe rpf rpi rpm rpp rpr rps rpt rrc rrf rri rrm rrp rrr rrs rrt rsc rse rsf rsi rsm rsp rsr rss rst rtc rte rtf rti rtm rtp rtr rts rtt scc sce scf sci scm scp scr scs sct se- sec see sef sei sem sep ser ses set sfc sfe sff sfi sfm sfp sfr sfs sft sic sie sif sii sim sip sir sis sit smc sme smf smi smm smp smr sms smt spc spe spf spi spm spp spr sps spt sr- src sre srf sri srm srp srr srs srt ss- ssc sse ssf ssi ssm ssp ssr sss sst stc ste stf sti stm stp str sts stt tcc tce tcf tci tcm tcp tcr tcs tct te- tec tee tef tei tem tep ter tes tet tfc tfe tff tfi tfm tfp tfr tfs tft tic tie tif tii tim tip tir tis tit tmc tme tmf tmi tmm tmp tmr tms tmt tpc tpe tpf tpi tpm tpp tpr tps tpt trc tre trf tri trm trp trr trs trt tsc tse tsf tsi tsm tsp tsr tss tst ttc tte ttf tti ttm ttp ttr tts ttt