-er c-- ccc cce ccf ccl ccp ccr cct ce- cec cee cef cel cep cer cet cfc cfe cff cfl cfp cfr cft cl- clc cle clf cll clp clr clt cpc cpe cpf cpl cpp cpr cpt crc cre crf crl crp crr crt ctc cte ctf ctl ctp ctr ctt ec- ecc ece ecf ecl ecr ect eec eee eef eel eep eer eet ef- efc efe eff efl efp efr eft elc ele elf ell elp elr elt ep- epc epe epf epl epp epr ept erc ere erf erl erp err ert etc ete etf etl etp etr ett fcc fce fcf fcl fcp fcr fct fec fee fef fel fep fer fet ffc ffe fff ffl ffp ffr fft flc fle flf fll flp flr flt fpc fpe fpl fpp fpr fpt frc fre frf frl frp frr frt ftc fte ftf ftl ftp ftr ftt l-p lcc lce lcf lcl lcp lcr lct lec lee lef lel lep ler let lfc lfe lff lfl lfp lfr lft llc lle llf lll llp llr llt lpc lpe lpf lpl lpp lpr lpt lrc lrf lrp lrr lrt ltc lte ltf ltl ltp ltr ltt p-p pcc pce pcf pcl pcp pcr pct pec pee pef pel pep per pet pfc pfe pff pfl pfp pfr pft plc ple plf pll plp plr plt ppc ppe ppf ppl ppp ppr ppt prc pre prf prl prp prr prt pt- ptc pte ptf ptl ptp ptr ptt rcc rce rcf rcl rcp rcr rct re- rec ree ref rel rep rer ret rfc rfe rff rfl rfp rfr rft rlc rle rlf rll rlp rlr rlt rpc rpe rpf rpl rpp rpr rpt rrc rrf rrl rrp rrr rrt rtc rte rtf rtl rtp rtr rtt tcc tce tcf tcl tcp tcr tct te- tec tee tef tel tep ter tet tfc tfe tff tfl tfp tfr tft tlc tle tlf tll tlp tlr tlt tpc tpe tpf tpl tpp tpr tpt trc tre trf trl trp trr trt ttc tte ttf ttl ttp ttr ttt