-er -up c-- ccc cce ccl ccn ccp ccr cct ccu ce- cec cee cel cen cep cer cet ceu cl- clc cle cll cln clp clr clt clu cn- cnc cne cnl cnn cnp cnr cnt cnu cpc cpe cpl cpn cpp cpr cpt cpu crc cre crl crn crp crr crt cru ctc cte ctl ctn ctp ctr ctt ctu cuc cue cul cun cup cur cut cuu ec- ecc ece ecl ecn ecr ect ecu eec eee eel een eep eer eet elc ele ell eln elp elr elt elu en- enc ene enl enn enp enr ent enu ep- epc epe epl epn epp epr ept epu erc ere erl ern erp err ert eru etc ete etl etn etp etr ett etu eu- euc eue eul eun eup eur eut l-p lcc lce lcl lcn lcp lcr lct lcu lec lee lel len lep ler let leu llc lle lll lln llp llr llt llu lnc lne lnl lnn lnp lnr lnt lnu lpc lpe lpl lpn lpp lpr lpt lpu lrc lrn lrp lrr lrt lru ltc lte ltl ltp ltr ltt ltu luc lue lul lun lup lur lut luu ncc nce ncl ncn ncp ncr nct ncu ne- nec nee nel nen nep ner net neu nlc nle nll nln nlp nlr nlt nlu nnc nne nnl nnn nnp nnt nnu npc npe npl npn npp npr npt npu nrc nre nrl nrn nrp nrr nrt nru ntc nte ntn ntp ntr ntt ntu nuc nue nul nun nup nur nut nuu p-p pcc pce pcl pcn pcp pcr pct pcu pec pee pel pen pep per pet peu plc ple pll pln plp plr plt plu pn- pnc pne pnl pnn pnp pnr pnt pnu ppc ppe ppl ppn ppp ppr ppt ppu prc pre prl prn prp prr prt pru pt- ptc pte ptl ptn ptp ptr ptt ptu puc pue pul pun pup pur put puu rcc rce rcl rcn rcp rcr rct rcu re- rec ree rel ren rep rer ret reu rlc rle rll rln rlp rlr rlt rlu rnc rnn rnp rnr rnt rnu rpc rpe rpl rpn rpp rpr rpt rpu rrc rrl rrn rrp rrr rrt rru rtc rte rtl rtn rtp rtr rtt rtu ruc rue run rup rur rut ruu tcc tce tcl tcn tcp tcr tct tcu te- tec tee tel ten tep ter tet teu tlc tle tll tln tlp tlr tlt tlu tnc tne tnl tnn tnp tnr tnt tpc tpe tpl tpn tpp tpr tpt tpu trc tre trl trn trp trr trt tru ttc tte ttl ttn ttp ttr ttt ttu tuc tue tul tun tup tur tut tuu ucc uce ucl ucn ucp ucr uct ucu uec uee uel uen uep uer uet ulc ule ull uln ulp ulr ult ulu un- unc une unl unn unp unr unt unu up- upc upe upn upp upr upt upu ur- urc ure url urn urp urr urt uru utc ute utl utn utp utr utt utu uuc uue uun uur uut uuu