-er c-- ccc cce ccl ccn ccp ccr cct ce- cec cee cel cen cep cer cet cl- clc cle cll cln clp clr clt cn- cnc cne cnl cnn cnp cnr cnt cpc cpe cpl cpn cpp cpr cpt crc cre crl crn crp crr crt ctc cte ctl ctn ctp ctr ctt ec- ecc ece ecl ecn ecr ect eec eee eel een eep eer eet elc ele ell eln elp elr elt en- enc ene enl enn enp enr ent ep- epc epe epl epn epp epr ept erc ere erl ern erp err ert etc ete etl etn etp etr ett l-p lcc lce lcl lcn lcp lcr lct lec lee lel len lep ler let llc lle lll lln llp llr llt lnc lne lnl lnn lnp lnr lnt lpc lpe lpl lpn lpp lpr lpt lrc lrn lrp lrr lrt ltc lte ltl ltp ltr ltt ncc nce ncl ncn ncp ncr nct ne- nec nee nel nen nep ner net nlc nle nll nln nlp nlr nlt nnc nne nnl nnn nnp nnt npc npe npl npn npp npr npt nrc nre nrl nrn nrp nrr nrt ntc nte ntn ntp ntr ntt p-p pcc pce pcl pcn pcp pcr pct pec pee pel pen pep per pet plc ple pll pln plp plr plt pn- pnc pne pnl pnn pnp pnr pnt ppc ppe ppl ppn ppp ppr ppt prc pre prl prn prp prr prt pt- ptc pte ptl ptn ptp ptr ptt rcc rce rcl rcn rcp rcr rct re- rec ree rel ren rep rer ret rlc rle rll rln rlp rlr rlt rnc rnn rnp rnr rnt rpc rpe rpl rpn rpp rpr rpt rrc rrl rrn rrp rrr rrt rtc rte rtl rtn rtp rtr rtt tcc tce tcl tcn tcp tcr tct te- tec tee tel ten tep ter tet tlc tle tll tln tlp tlr tlt tnc tne tnl tnn tnp tnr tnt tpc tpe tpl tpn tpp tpr tpt trc tre trl trn trp trr trt ttc tte ttl ttn ttp ttr ttt