-er c-- ccc cce cch cck ccl ccr ccs ccu ce- cec cee ceh cek cel cer ces ceu ch- chc che chh chk chl chr chs chu ckc ckh cks cl- clc cle clh clk cll clr cls clu crc cre crh crk crl crr crs cru csc cse csh csk csl csr css csu cuc cue cuh cuk cul cur cus cuu ec- ecc ece ech eck ecl ecr ecs ecu eec eee eek eel eer ees ehc ehe ehh ehl ehr ehs ehu ekc eke ekh ekl ekr eks eku elc ele elh elk ell elr els elu erc ere erh erk erl err ers eru es- esc ese esh esk esl esr ess esu eu- euc eue eul eur eus hcc hce hch hck hcl hcr hcs he- hec hee heh hek hel her hes heu hhc hhe hhh hhk hhl hhr hhs hhu hkh hkk hkl hkr hks hku hlc hle hlh hll hlr hls hlu hr- hrc hre hrh hrk hrl hrr hrs hru hsc hse hsh hsk hsl hsr hss hsu huc hue huh huk hul hur hus huu kcc kce kch kck kcl kcr kcs kcu ke- kec kee keh kek kel ker kes khe khh khk khr khs khu kkc kke kkh kkk kkl kkr kks kku kl- klc klh klr kls klu krc krk krl krr krs kru ksc kse ksh ksk ksl ksr kss ksu kuc kue kuh kuk kul kur kus kuu lcc lce lch lck lcl lcr lcs lcu lec lee leh lek lel ler les leu lhc lhh lhk lhr lhs lhu lkh lkl lkr lks llc lle llk lll llr lls llu lrc lrh lrk lrr lrs lru lsc lse lsh lsk lsl lsr lss lsu luc lue luh luk lul lur lus luu rcc rce rch rcl rcr rcs rcu re- rec ree reh rek rel rer res reu rh- rhc rhe rhh rhl rhr rhs rhu rkc rke rkk rks rku rlc rle rlh rll rlr rls rlu rrc rrh rrk rrl rrr rrs rru rsc rse rsh rsk rsl rsr rss rsu ruc rue ruh ruk rur rus ruu scc sce sch sck scl scr scs scu se- sec see seh sek sel ser ses seu sh- shc she shh shk shl shr shs shu sk- skc ske skh skk skl skr sks sku slc sle slh slk sll slr sls slu sr- src sre srh srk srl srr srs ss- ssc sse ssh ssk ssl ssr sss ssu suc sue suh suk sul sur sus suu ucc uce uch uck ucl ucr ucs ucu uec uee ueh uel uer ues uhc uhe uhh uhl uhr uhs uhu ukc uke ukk ukl ukr uku ulc ule ulk ull ulr uls ulu ur- urc ure urk url urr urs uru usc use ush usk usl usr uss usu uuc uue uur uus uuu