-er -ic c-- ccc cce cci ccm cco ccp ccr ccs cct ce- cec cee cei cem ceo cep cer ces cet ci- cic cie cii cim cio cip cir cis cit cmc cme cmi cmm cmo cmp cmr cms cmt co- coc coe coi com coo cop cor cos cot cpc cpe cpi cpm cpo cpp cpr cps cpt crc cre cri crm cro crp crr crs crt csc cse csi csm cso csp csr css cst ctc cte cti ctm cto ctp ctr cts ctt ec- ecc ece eci ecm eco ecr ecs ect eec eee eem eeo eep eer ees eet eic eie eii eim eio eip eir eis eit em- emc eme emi emm emo emp emr ems emt eo- eoc eoe eoi eom eoo eop eor eos eot ep- epc epe epi epm epo epp epr eps ept erc ere eri erm ero erp err ers ert es- esc ese esi esm eso esp esr ess est etc ete eti etm eto etp etr ets ett icc ice ici icm ico icp icr ics ict ie- iec iee iei iem iep ier ies iet iic iie iii iim iio iip iir iis iit im- imc ime imi imm imo imp ims imt io- ioc ioe ioi iom ioo iop ior ios iot ipc ipe ipi ipm ipo ipp ipr ips ipt ir- irc ire iri irm iro irp irr irs irt is- isc ise isi ism iso isp isr iss ist itc ite iti itm ito itp its itt m-o m-r mc- mcc mce mci mcm mco mcp mcr mcs mct mec mee mei mem meo mep mer mes met mi- mic mie mii mim mio mip mir mis mit mmc mme mmi mmm mmo mmp mmr mms mmt moc moe moi mom moo mop mor mos mot mpc mpe mpi mpm mpo mpp mpr mps mpt mrc mre mri mrm mro mrp mrr mrs mrt msc mse msi msm mso msp msr mss mst mtc mte mti mtm mto mtp mtr mts mtt o-i oc- occ oci ocm oco ocp ocr ocs oct oec oee oei oem oeo oep oer oes oet oic oie oii oim oio oip oir ois oit om- omc ome omi omm omo omp omr oms omt oo- ooc ooi oom ooo oop oor oos oot op- opc ope opi opm opo opp opr ops opt or- orc ore ori orm oro orp orr ors ort os- osc ose osi osm oso osp osr oss ost ot- otc ote oti otm oto otp otr ots ott p-p pcc pce pci pcm pco pcp pcr pcs pct pec pee pei pem peo pep per pes pet pic pie pii pim pio pip pir pis pit pmc pme pmi pmm pmo pmp pmr pms pmt poc poe poi pom poo pop por pos pot ppc ppe ppi ppm ppo ppp ppr pps ppt prc pre pri prm pro prp prr prs prt ps- psc pse psi psm pso psp psr pss pst pt- ptc pte pti ptm pto ptp ptr pts ptt rcc rce rci rcm rco rcp rcr rcs rct re- rec ree rei rem reo rep rer res ret ric rie rii rim rio rip rir ris rit rmc rme rmi rmm rmo rmp rmr rms rmt roc roe roi rom roo rop ror ros rot rpc rpe rpi rpm rpo rpp rpr rps rpt rrc rri rrm rrp rrr rrs rrt rsc rse rsi rsm rso rsp rsr rss rst rtc rte rti rtm rto rtp rtr rts rtt scc sce sci scm sco scp scr scs sct se- sec see sei sem seo sep ser ses set sic sie sii sim sio sip sir sis sit smc sme smi smm smo smp smr sms smt soc soe soi som soo sop sor sos sot spc spe spi spm spo spp spr sps spt sr- src sre sri srm sro srp srr srs srt ss- ssc sse ssi ssm sso ssp ssr sss sst stc ste sti stm sto stp str sts stt tcc tce tci tcm tco tcp tcr tcs tct te- tec tee tei tem teo tep ter tes tet tic tie tii tim tio tip tir tis tit tmc tme tmi tmm tmo tmp tmr tms tmt to- toc toe toi tom too top tor tos tot tpc tpe tpi tpm tpo tpp tpr tps tpt trc tre tri trm tro trp trr trs trt tsc tse tsi tsm tso tsp tsr tss tst ttc tte tti ttm tto ttp ttr tts ttt