-er -ic c-- ccc cce cch cci cck ccl ccr ccs ce- cec cee ceh cei cek cel cer ces ch- chc che chh chi chk chl chr chs ci- cic cie cih cii cik cil cir cis ckc ckh cki cks cl- clc cle clh cli clk cll clr cls crc cre crh cri crk crl crr crs csc cse csh csi csk csl csr css ec- ecc ece ech eci eck ecl ecr ecs eec eee eek eel eer ees ehc ehe ehh ehi ehl ehr ehs eic eie eii eik eil eir eis ekc eke ekh eki ekl ekr eks elc ele elh eli elk ell elr els erc ere erh eri erk erl err ers es- esc ese esh esi esk esl esr ess h-i hcc hce hch hci hck hcl hcr hcs he- hec hee heh hei hek hel her hes hhc hhe hhh hhi hhk hhl hhr hhs hic hie hih hii hik hil hir his hkh hki hkk hkl hkr hks hlc hle hlh hli hll hlr hls hr- hrc hre hrh hri hrk hrl hrr hrs hsc hse hsh hsi hsk hsl hsr hss icc ice ich ici ick icl icr ics ie- iec iee iei iek iel ier ies ihc ihe ihh ihi ihk ihl ihr ihs iic iie iih iii iil iir iis ikc ike iki ikk ikl ikr iks il- ilc ile ilh ili ilk ill ilr ils ir- irc ire iri irk irl irr irs is- isc ise ish isi isk isl isr iss kcc kce kch kci kck kcl kcr kcs ke- kec kee keh kei kek kel ker kes khe khh khi khk khr khs kic kie kih kii kik kil kir kis kkc kke kkh kki kkk kkl kkr kks kl- klc klh kli klr kls krc kri krk krl krr krs ksc kse ksh ksi ksk ksl ksr kss lcc lce lch lci lck lcl lcr lcs lec lee leh lei lek lel ler les lhc lhh lhi lhk lhr lhs lic lie lih lii lik lil lir lis lkh lkl lkr lks llc lle lli llk lll llr lls lrc lrh lri lrk lrr lrs lsc lse lsh lsi lsk lsl lsr lss rcc rce rch rci rcl rcr rcs re- rec ree reh rei rek rel rer res rh- rhc rhe rhh rhi rhl rhr rhs ric rie rih rii rik ril rir ris rkc rke rkk rks rlc rle rlh rli rll rlr rls rrc rrh rri rrk rrl rrr rrs rsc rse rsh rsi rsk rsl rsr rss scc sce sch sci sck scl scr scs se- sec see seh sei sek sel ser ses sh- shc she shh shi shk shl shr shs sic sie sih sii sik sil sir sis sk- skc ske skh ski skk skl skr sks slc sle slh sli slk sll slr sls sr- src sre srh sri srk srl srr srs ss- ssc sse ssh ssi ssk ssl ssr sss