-er -th c-- ccc cce cch ccl ccp ccr cct ce- cec cee ceh cel cep cer cet ch- chc che chh chl chp chr cht cl- clc cle clh cll clp clr clt cpc cpe cph cpl cpp cpr cpt crc cre crh crl crp crr crt ctc cte cth ctl ctp ctr ctt ec- ecc ece ech ecl ecr ect eec eee eel eep eer eet ehc ehe ehh ehl ehp ehr eht elc ele elh ell elp elr elt ep- epc epe eph epl epp epr ept erc ere erh erl erp err ert etc ete eth etl etp etr ett hcc hce hch hcl hcp hcr hct he- hec hee heh hel hep her het hhc hhe hhh hhl hhp hhr hht hlc hle hlh hll hlp hlr hlt hpc hpe hph hpl hpp hpr hpt hr- hrc hre hrh hrl hrp hrr hrt htc hte hth htl htp htr htt l-p lcc lce lch lcl lcp lcr lct lec lee leh lel lep ler let lhc lhh lhp lhr lht llc lle lll llp llr llt lpc lpe lph lpl lpp lpr lpt lrc lrh lrp lrr lrt ltc lte lth ltl ltp ltr ltt p-p pcc pce pch pcl pcp pcr pct pec pee peh pel pep per pet phc phe phl php phr pht plc ple plh pll plp plr plt ppc ppe pph ppl ppp ppr ppt prc pre prh prl prp prr prt pt- ptc pte pth ptl ptp ptr ptt rcc rce rch rcl rcp rcr rct re- rec ree reh rel rep rer ret rh- rhc rhe rhh rhl rhp rhr rht rlc rle rlh rll rlp rlr rlt rpc rpe rph rpl rpp rpr rpt rrc rrh rrl rrp rrr rrt rtc rte rtl rtp rtr rtt tcc tce tch tcl tcp tcr tct te- tec tee teh tel tep ter tet th- thc the thh thl thp thr tht tlc tle tlh tll tlp tlr tlt tpc tpe tph tpl tpp tpr tpt trc tre trh trl trp trr trt ttc tte tth ttl ttp ttr ttt