-er -up c-- ccc ccd cce ccm ccp ccr ccs ccu cdc cdd cde cdm cdp cdr cds cdu ce- cec ced cee cem cep cer ces ceu cmc cmd cme cmm cmp cmr cms cmu cpc cpd cpe cpm cpp cpr cps cpu crc crd cre crm crp crr crs cru csc csd cse csm csp csr css csu cuc cud cue cum cup cur cus cuu dcc dcd dce dcm dcp dcr dcs dcu ddc ddd dde ddm ddp ddr dds ddu de- dec ded dee dem dep der des deu dmc dmd dme dmm dmp dmr dms dmu dpc dpd dpe dpm dpp dpr dps dpu drc drd dre drm drp drr drs dru dsc dsd dse dsm dsp dsr dss dsu duc dud due dum dup dur dus ec- ecc ecd ece ecm ecr ecs ecu ed- edc edd ede edm edp edr eds edu eec eed eee eem eep eer ees em- emc emd eme emm emp emr ems emu ep- epc epd epe epm epp epr eps epu erc erd ere erm erp err ers eru es- esc esd ese esm esp esr ess esu eu- euc eud eue eup eur eus m-r mc- mcc mcd mce mcm mcp mcr mcs mcu mdc mdd mde mdm mdp mdr mds mdu mec med mee mem mep mer mes meu mmc mmd mme mmm mmp mmr mms mmu mpc mpd mpe mpm mpp mpr mps mpu mrc mrd mre mrm mrp mrr mrs mru msc msd mse msm msp msr mss msu muc mud mue mum mup mur mus muu p-p pcc pcd pce pcm pcp pcr pcs pcu pdc pdd pde pdm pdp pdr pds pdu pec ped pee pem pep per pes peu pmc pmd pme pmm pmp pmr pms pmu ppc ppd ppe ppm ppp ppr pps ppu prc prd pre prm prp prr prs pru ps- psc psd pse psm psp psr pss psu puc pud pue pum pup pur pus puu rcc rcd rce rcm rcp rcr rcs rcu rdc rdd rde rdm rdp rdr rds rdu re- rec red ree rem rep rer res reu rmc rmd rme rmm rmp rmr rms rpc rpd rpe rpm rpp rpr rps rpu rrc rrd rrm rrp rrr rrs rru rsc rsd rse rsm rsp rsr rss rsu ruc rud rue rum rup rur rus ruu scc scd sce scm scp scr scs scu sdc sdd sde sdm sdp sdr sds sdu se- sec sed see sem sep ser ses seu smc smd sme smm smp smr sms smu spc spd spe spm spp spr sps spu sr- src srd sre srm srp srr srs ss- ssc ssd sse ssm ssp ssr sss ssu suc sud sue sum sup sur sus suu ucc ucd uce ucm ucp ucr ucs ucu udc udd ude udm udp udr uds udu uec ued uee uem uep uer ues um- umc umd ume umm ump umr ums umu up- upc upd upe upm upp upr ups upu ur- urc urd ure urm urp urr urs uru usc usd use usm usp usr uss usu uuc uue uum uur uus uuu