-er -up c-- ccc cce ccl ccp ccr ccs cct ccu ce- cec cee cel cep cer ces cet ceu cl- clc cle cll clp clr cls clt clu cpc cpe cpl cpp cpr cps cpt cpu crc cre crl crp crr crs crt cru csc cse csl csp csr css cst csu ctc cte ctl ctp ctr cts ctt ctu cuc cue cul cup cur cus cut cuu ec- ecc ece ecl ecr ecs ect ecu eec eee eel eep eer ees eet elc ele ell elp elr els elt elu ep- epc epe epl epp epr eps ept epu erc ere erl erp err ers ert eru es- esc ese esl esp esr ess est esu etc ete etl etp etr ets ett etu eu- euc eue eul eup eur eus eut l-p lcc lce lcl lcp lcr lcs lct lcu lec lee lel lep ler les let leu llc lle lll llp llr lls llt llu lpc lpe lpl lpp lpr lps lpt lpu lrc lrp lrr lrs lrt lru lsc lse lsl lsp lsr lss lst lsu ltc lte ltl ltp ltr lts ltt ltu luc lue lul lup lur lus lut luu p-p pcc pce pcl pcp pcr pcs pct pcu pec pee pel pep per pes pet peu plc ple pll plp plr pls plt plu ppc ppe ppl ppp ppr pps ppt ppu prc pre prl prp prr prs prt pru ps- psc pse psl psp psr pss pst psu pt- ptc pte ptl ptp ptr pts ptt ptu puc pue pul pup pur pus put puu rcc rce rcl rcp rcr rcs rct rcu re- rec ree rel rep rer res ret reu rlc rle rll rlp rlr rls rlt rlu rpc rpe rpl rpp rpr rps rpt rpu rrc rrl rrp rrr rrs rrt rru rsc rse rsl rsp rsr rss rst rsu rtc rte rtl rtp rtr rts rtt rtu ruc rue rup rur rus rut ruu scc sce scl scp scr scs sct scu se- sec see sel sep ser ses set seu slc sle sll slp slr sls slt slu spc spe spl spp spr sps spt spu sr- src sre srl srp srr srs srt ss- ssc sse ssl ssp ssr sss sst ssu stc ste stl stp str sts stt stu suc sue sul sup sur sus sut suu tcc tce tcl tcp tcr tcs tct tcu te- tec tee tel tep ter tes tet teu tlc tle tll tlp tlr tls tlt tlu tpc tpe tpl tpp tpr tps tpt tpu trc tre trl trp trr trs trt tru tsc tse tsl tsp tsr tss tst tsu ttc tte ttl ttp ttr tts ttt ttu tuc tue tul tup tur tus tut tuu ucc uce ucl ucp ucr ucs uct ucu uec uee uel uep uer ues uet ulc ule ull ulp ulr uls ult ulu up- upc upe upp upr ups upt upu ur- urc ure url urp urr urs urt uru usc use usl usp usr uss ust usu utc ute utl utp utr uts utt utu uuc uue uur uus uut uuu