-er -up c-- ccc cce ccl ccn ccp ccr ccu ce- cec cee cel cen cep cer ceu cl- clc cle cll cln clp clr clu cn- cnc cne cnl cnn cnp cnr cnu cpc cpe cpl cpn cpp cpr cpu crc cre crl crn crp crr cru cuc cue cul cun cup cur cuu ec- ecc ece ecl ecn ecr ecu eec eee eel een eep eer elc ele ell eln elp elr elu en- enc ene enl enn enp enr enu ep- epc epe epl epn epp epr epu erc ere erl ern erp err eru eu- euc eue eul eun eup eur l-p lcc lce lcl lcn lcp lcr lcu lec lee lel len lep ler leu llc lle lll lln llp llr llu lnc lne lnl lnn lnp lnr lnu lpc lpe lpl lpn lpp lpr lpu lrc lrn lrp lrr lru luc lue lul lun lup lur luu ncc nce ncl ncn ncp ncr ncu ne- nec nee nel nen nep ner neu nlc nle nll nln nlp nlr nlu nnc nne nnl nnn nnp nnu npc npe npl npn npp npr npu nrc nre nrl nrn nrp nrr nru nuc nue nul nun nup nur nuu p-p pcc pce pcl pcn pcp pcr pcu pec pee pel pen pep per peu plc ple pll pln plp plr plu pn- pnc pne pnl pnn pnp pnr pnu ppc ppe ppl ppn ppp ppr ppu prc pre prl prn prp prr pru puc pue pul pun pup pur puu rcc rce rcl rcn rcp rcr rcu re- rec ree rel ren rep rer reu rlc rle rll rln rlp rlr rlu rnc rnn rnp rnr rnu rpc rpe rpl rpn rpp rpr rpu rrc rrl rrn rrp rrr rru ruc rue run rup rur ruu ucc uce ucl ucn ucp ucr ucu uec uee uel uen uep uer ulc ule ull uln ulp ulr ulu un- unc une unl unn unp unr unu up- upc upe upn upp upr upu ur- urc ure url urn urp urr uru uuc uue uun uur uuu