-er -up c-- ccc cce ccl ccp ccr ccs ccu ce- cec cee cel cep ceq cer ces ceu cl- clc cle cll clp clr cls clu cpc cpe cpl cpp cpq cpr cps cpu cqc cql cqs crc cre crl crp crq crr crs cru csc cse csl csp csq csr css csu cuc cue cul cup cuq cur cus cuu ec- ecc ece ecl ecq ecr ecs ecu eec eee eel eep eer ees elc ele ell elp elr els elu ep- epc epe epl epp epq epr eps epu eqe eqp eqq eqs equ erc ere erl erp erq err ers eru es- esc ese esl esp esq esr ess esu eu- euc eue eul eup eur eus l-p lcc lce lcl lcp lcq lcr lcs lcu lec lee lel lep leq ler les leu llc lle lll llp llq llr lls llu lpc lpe lpl lpp lpr lps lpu lqr lrc lrp lrr lrs lru lsc lse lsl lsp lsq lsr lss lsu luc lue lul lup lur lus luu p-p pcc pce pcl pcp pcq pcr pcs pcu pec pee pel pep per pes peu plc ple pll plp plr pls plu ppc ppe ppl ppp ppq ppr pps ppu pqq pqr pqs prc pre prl prp prq prr prs pru ps- psc pse psl psp psr pss psu puc pue pul pup pur pus puu qcc qcl qcp qcs qec qee qep qlp qls qpc qpl qpp qpr qps qqq qqu qrc qre qrl qrp qrs qru qsc qsl qsp qsr qu- que qul qur qus rcc rce rcl rcp rcr rcs rcu re- rec ree rel rep req rer res reu rlc rle rll rlp rlr rls rlu rpc rpe rpl rpp rpr rps rpu rqc rqs rrc rrl rrp rrq rrr rrs rru rsc rse rsl rsp rsq rsr rss rsu ruc rue rup rur rus ruu scc sce scl scp scr scs scu se- sec see sel sep seq ser ses seu slc sle sll slp slq slr sls slu spc spe spl spp spq spr sps spu sql sqq sqr sqs sr- src sre srl srp srq srr srs ss- ssc sse ssl ssp ssq ssr sss ssu suc sue sul sup suq sur sus suu ucc uce ucl ucp ucr ucs ucu uec uee uel uep uer ues ulc ule ull ulp ulr uls ulu up- upc upe upp upr ups upu ur- urc ure url urp urr urs uru usc use usl usp usr uss usu uuc uue uur uus uuu