-er -up c-- ccc cce ccl ccm ccp ccr ccu ce- cec cee cel cem cep cer ceu cl- clc cle cll clm clp clr clu cmc cme cml cmm cmp cmr cmu cpc cpe cpl cpm cpp cpr cpu crc cre crl crm crp crr cru cuc cue cul cum cup cur cuu ec- ecc ece ecl ecm ecr ecu eec eee eel eem eep eer elc ele ell elm elp elr elu em- emc eme eml emm emp emr emu ep- epc epe epl epm epp epr epu erc ere erl erm erp err eru eu- euc eue eul eup eur l-p lcc lce lcl lcm lcp lcr lcu lec lee lel lem lep ler leu llc lle lll llm llp llr llu lmc lme lml lmm lmp lmr lmu lpc lpe lpl lpm lpp lpr lpu lrc lrm lrp lrr lru luc lue lul lum lup lur luu m-r mc- mcc mce mcl mcm mcp mcr mcu mec mee mel mem mep mer meu mlc mle mll mlm mlp mlr mlu mmc mme mml mmm mmp mmr mmu mpc mpe mpl mpm mpp mpr mpu mrc mre mrl mrm mrp mrr mru muc mue mul mum mup mur muu p-p pcc pce pcl pcm pcp pcr pcu pec pee pel pem pep per peu plc ple pll plm plp plr plu pmc pme pml pmm pmp pmr pmu ppc ppe ppl ppm ppp ppr ppu prc pre prl prm prp prr pru puc pue pul pum pup pur puu rcc rce rcl rcm rcp rcr rcu re- rec ree rel rem rep rer reu rlc rle rll rlm rlp rlr rlu rmc rme rml rmm rmp rmr rpc rpe rpl rpm rpp rpr rpu rrc rrl rrm rrp rrr rru ruc rue rum rup rur ruu ucc uce ucl ucm ucp ucr ucu uec uee uel uem uep uer ulc ule ull ulm ulp ulr ulu um- umc ume uml umm ump umr umu up- upc upe upm upp upr upu ur- urc ure url urm urp urr uru uuc uue uum uur uuu