-er -ic c-- ccc cce cch cci cck ccl ccp ccr ce- cec cee ceh cei cek cel cep cer ch- chc che chh chi chk chl chp chr ci- cic cie cih cii cik cil cip cir ckc ckh cki cl- clc cle clh cli clk cll clp clr cpc cpe cph cpi cpk cpl cpp cpr crc cre crh cri crk crl crp crr ec- ecc ece ech eci eck ecl ecr eec eee eek eel eep eer ehc ehe ehh ehi ehl ehp ehr eic eie eii eik eil eip eir ekc eke ekh eki ekl ekp ekr elc ele elh eli elk ell elp elr ep- epc epe eph epi epl epp epr erc ere erh eri erk erl erp err h-i hcc hce hch hci hck hcl hcp hcr he- hec hee heh hei hek hel hep her hhc hhe hhh hhi hhk hhl hhp hhr hic hie hih hii hik hil hip hir hkh hki hkk hkl hkp hkr hlc hle hlh hli hll hlp hlr hpc hpe hph hpi hpk hpl hpp hpr hr- hrc hre hrh hri hrk hrl hrp hrr icc ice ich ici ick icl icp icr ie- iec iee iei iek iel iep ier ihc ihe ihh ihi ihk ihl ihp ihr iic iie iih iii iil iip iir ikc ike iki ikk ikl ikr il- ilc ile ilh ili ilk ill ilp ilr ipc ipe ipi ipl ipp ipr ir- irc ire iri irk irl irp irr kcc kce kch kci kck kcl kcp kcr ke- kec kee keh kei kek kel kep ker khe khh khi khk khr kic kie kih kii kik kil kip kir kkc kke kkh kki kkk kkl kkp kkr kl- klc klh kli klr kpc kpe kph kpi kpk kpl kpp kpr krc kri krk krl krp krr l-p lcc lce lch lci lck lcl lcp lcr lec lee leh lei lek lel lep ler lhc lhh lhi lhk lhp lhr lic lie lih lii lik lil lip lir lkh lkl lkp lkr llc lle lli llk lll llp llr lpc lpe lph lpi lpk lpl lpp lpr lrc lrh lri lrk lrp lrr p-p pcc pce pch pci pck pcl pcp pcr pec pee peh pei pek pel pep per phc phe phi phk phl php phr pic pie pih pii pik pil pip pir pkc pke pki pkl pkp pkr plc ple plh pli plk pll plp plr ppc ppe pph ppi ppk ppl ppp ppr prc pre prh pri prk prl prp prr rcc rce rch rci rcl rcp rcr re- rec ree reh rei rek rel rep rer rh- rhc rhe rhh rhi rhl rhp rhr ric rie rih rii rik ril rip rir rkc rke rkk rkp rlc rle rlh rli rll rlp rlr rpc rpe rph rpi rpk rpl rpp rpr rrc rrh rri rrk rrl rrp rrr