-er c-- ccc cce cch ccl ccp ccr ce- cec cee ceh cel cep cer ch- chc che chh chl chp chr cl- clc cle clh cll clp clr cpc cpe cph cpl cpp cpr crc cre crh crl crp crr ec- ecc ece ech ecl ecr eec eee eel eep eer ehc ehe ehh ehl ehp ehr elc ele elh ell elp elr ep- epc epe eph epl epp epr erc ere erh erl erp err hcc hce hch hcl hcp hcr he- hec hee heh hel hep her hhc hhe hhh hhl hhp hhr hlc hle hlh hll hlp hlr hpc hpe hph hpl hpp hpr hr- hrc hre hrh hrl hrp hrr l-p lcc lce lch lcl lcp lcr lec lee leh lel lep ler lhc lhh lhp lhr llc lle lll llp llr lpc lpe lph lpl lpp lpr lrc lrh lrp lrr p-p pcc pce pch pcl pcp pcr pec pee peh pel pep per phc phe phl php phr plc ple plh pll plp plr ppc ppe pph ppl ppp ppr prc pre prh prl prp prr rcc rce rch rcl rcp rcr re- rec ree reh rel rep rer rh- rhc rhe rhh rhl rhp rhr rlc rle rlh rll rlp rlr rpc rpe rph rpl rpp rpr rrc rrh rrl rrp rrr