-er -up c-- ccc cce ccm cco ccp ccr ccs cct ccu ce- cec cee cem ceo cep cer ces cet ceu cmc cme cmm cmo cmp cmr cms cmt cmu co- coc coe com coo cop cor cos cot cou cpc cpe cpm cpo cpp cpr cps cpt cpu crc cre crm cro crp crr crs crt cru csc cse csm cso csp csr css cst csu ctc cte ctm cto ctp ctr cts ctt ctu cuc cue cum cuo cup cur cus cut cuu ec- ecc ece ecm eco ecr ecs ect ecu eec eee eem eeo eep eer ees eet em- emc eme emm emo emp emr ems emt emu eo- eoc eoe eom eoo eop eor eos eot eou ep- epc epe epm epo epp epr eps ept epu erc ere erm ero erp err ers ert eru es- esc ese esm eso esp esr ess est esu etc ete etm eto etp etr ets ett etu eu- euc eue eup eur eus eut m-o m-r mc- mcc mce mcm mco mcp mcr mcs mct mcu mec mee mem meo mep mer mes met meu mmc mme mmm mmo mmp mmr mms mmt mmu moc moe mom moo mop mor mos mot mou mpc mpe mpm mpo mpp mpr mps mpt mpu mrc mre mrm mro mrp mrr mrs mrt mru msc mse msm mso msp msr mss mst msu mtc mte mtm mto mtp mtr mts mtt mtu muc mue mum mup mur mus mut muu oc- occ ocm oco ocp ocr ocs oct ocu oec oee oem oeo oep oer oes oet om- omc ome omm omo omp omr oms omt omu oo- ooc oom ooo oop oor oos oot op- opc ope opm opo opp opr ops opt or- orc ore orm oro orp orr ors ort oru os- osc ose osm oso osp osr oss ost osu ot- otc ote otm oto otp otr ots ott otu ou- ouc oue oum ouo oup our ous out p-p pcc pce pcm pco pcp pcr pcs pct pcu pec pee pem peo pep per pes pet peu pmc pme pmm pmo pmp pmr pms pmt pmu poc poe pom poo pop por pos pot pou ppc ppe ppm ppo ppp ppr pps ppt ppu prc pre prm pro prp prr prs prt pru ps- psc pse psm pso psp psr pss pst psu pt- ptc pte ptm pto ptp ptr pts ptt ptu puc pue pum pup pur pus put puu rcc rce rcm rco rcp rcr rcs rct rcu re- rec ree rem reo rep rer res ret reu rmc rme rmm rmo rmp rmr rms rmt roc roe rom roo rop ror ros rot rou rpc rpe rpm rpo rpp rpr rps rpt rpu rrc rrm rrp rrr rrs rrt rru rsc rse rsm rso rsp rsr rss rst rsu rtc rte rtm rto rtp rtr rts rtt rtu ruc rue rum ruo rup rur rus rut ruu scc sce scm sco scp scr scs sct scu se- sec see sem seo sep ser ses set seu smc sme smm smo smp smr sms smt smu soc soe som soo sop sor sos sot sou spc spe spm spo spp spr sps spt spu sr- src sre srm sro srp srr srs srt ss- ssc sse ssm sso ssp ssr sss sst ssu stc ste stm sto stp str sts stt stu suc sue sum suo sup sur sus sut suu tcc tce tcm tco tcp tcr tcs tct tcu te- tec tee tem teo tep ter tes tet teu tmc tme tmm tmo tmp tmr tms tmt tmu to- toc toe tom too top tor tos tot tou tpc tpe tpm tpo tpp tpr tps tpt tpu trc tre trm tro trp trr trs trt tru tsc tse tsm tso tsp tsr tss tst tsu ttc tte ttm tto ttp ttr tts ttt ttu tuc tue tum tuo tup tur tus tut tuu ucc uce ucm uco ucp ucr ucs uct ucu uec uee uem uep uer ues uet um- umc ume umm umo ump umr ums umt umu uoc uoe uom uoo uop uor uos uot up- upc upe upm upo upp upr ups upt upu ur- urc ure urm uro urp urr urs urt uru usc use usm uso usp usr uss ust usu utc ute utm uto utp utr uts utt utu uuc uue uum uur uus uut uuu