-er -ic c-- ccc cce ccg cci ccl ccr ccs ccu ce- cec cee ceg cei cel cer ces ceu cgc cge cgg cgi cgl cgr cgs cgu ci- cic cie cig cii cil cir cis ciu cl- clc cle clg cli cll clr cls clu crc cre crg cri crl crr crs cru csc cse csg csi csl csr css csu cuc cue cug cui cul cur cus cuu ec- ecc ece ecg eci ecl ecr ecs ecu eec eee eeg eel eer ees egc ege egg egi egl egr egs egu eic eie eig eii eil eir eis eiu elc ele elg eli ell elr els elu erc ere erg eri erl err ers eru es- esc ese esg esi esl esr ess esu eu- euc eue eug eui eul eur eus gcc gce gcg gci gcl gcr gcs gcu ge- gec gee geg gei gel ger ges geu ggc ggg ggi ggr ggs ggu gic gie gig gii gil gir gis giu glc gle glg gli gll glr gls glu grc gre grg gri grl grr grs gru gsc gse gsg gsi gsl gsr gss gsu gu- guc gue gug gui gul gur gus guu icc ice icg ici icl icr ics icu ie- iec iee ieg iei iel ier ies igc ige igg igi igl igr igs igu iic iie iii iil iir iis iiu il- ilc ile ilg ili ill ilr ils ilu ir- irc ire irg iri irl irr irs iru is- isc ise isg isi isl isr iss isu iu- iuc iue iug iui iur ius lcc lce lcg lci lcl lcr lcs lcu lec lee leg lei lel ler les leu lgc lge lgg lgi lgl lgr lgs lgu lic lie lig lii lil lir lis liu llc lle llg lli lll llr lls llu lrc lrg lri lrr lrs lru lsc lse lsg lsi lsl lsr lss lsu luc lue lug lui lul lur lus luu rcc rce rcg rci rcl rcr rcs rcu re- rec ree reg rei rel rer res reu rgc rge rgg rgi rgr rgs ric rie rig rii ril rir ris rlc rle rlg rli rll rlr rls rlu rrc rrg rri rrl rrr rrs rru rsc rse rsg rsi rsl rsr rss rsu ruc rue rug rui rur rus ruu scc sce scg sci scl scr scs scu se- sec see seg sei sel ser ses seu sgc sge sgg sgi sgl sgr sgs sgu sic sie sig sii sil sir sis siu slc sle slg sli sll slr sls slu sr- src sre srg sri srl srr srs ss- ssc sse ssg ssi ssl ssr sss ssu suc sue sug sui sul sur sus suu ucc uce ucg uci ucl ucr ucs ucu uec uee ueg uei uel uer ues ugc uge ugg ugi ugl ugr ugs ugu uic uie uig uii uil uir uis uiu ulc ule ulg uli ull ulr uls ulu ur- urc ure urg uri url urr urs uru usc use usg usi usl usr uss usu uuc uue uug uur uus uuu