-er -ic -ol c-- ccc cce ccg cci ccl cco ccr ccu ce- cec cee ceg cei cel ceo cer ceu cgc cge cgg cgi cgl cgo cgr cgu ci- cic cie cig cii cil cio cir ciu cl- clc cle clg cli cll clo clr clu co- coc coe cog coi col coo cor cou crc cre crg cri crl cro crr cru cuc cue cug cui cul cuo cur cuu ec- ecc ece ecg eci ecl eco ecr ecu eec eee eeg eel eeo eer egc ege egg egi egl ego egr egu eic eie eig eii eil eio eir eiu elc ele elg eli ell elo elr elu eo- eoc eoe eog eoi eol eoo eor eou erc ere erg eri erl ero err eru eu- euc eue eug eui eul eur gcc gce gcg gci gcl gco gcr gcu ge- gec gee geg gei gel geo ger geu ggc ggg ggi ggo ggr ggu gic gie gig gii gil gio gir giu glc gle glg gli gll glo glr glu goc goe gog goi gol goo gor gou grc gre grg gri grl gro grr gru gu- guc gue gug gui gul guo gur guu icc ice icg ici icl ico icr icu ie- iec iee ieg iei iel ier igc ige igg igi igl igo igr igu iic iie iii iil iio iir iiu il- ilc ile ilg ili ill ilo ilr ilu io- ioc ioe iog ioi iol ioo ior iou ir- irc ire irg iri irl iro irr iru iu- iuc iue iug iui iur lcc lce lcg lci lcl lco lcr lcu lec lee leg lei lel leo ler leu lgc lge lgg lgi lgl lgo lgr lgu lic lie lig lii lil lio lir liu llc lle llg lli lll llo llr llu loc loe log loi lol loo lor lou lrc lrg lri lro lrr lru luc lue lug lui lul luo lur luu o-i oc- occ ocg oci ocl oco ocr ocu oec oee oeg oei oel oeo oer ogc oge ogg ogi ogl ogo oic oie oii oil oio oir oiu olc ole olg oli oll olo olu oo- ooc oog ooi ool ooo oor or- orc ore org ori orl oro orr oru ou- ouc oue oui oul ouo our rcc rce rcg rci rcl rco rcr rcu re- rec ree reg rei rel reo rer reu rgc rge rgg rgi rgo rgr ric rie rig rii ril rio rir rlc rle rlg rli rll rlo rlr rlu roc roe rog roi rol roo ror rou rrc rrg rri rrl rrr rru ruc rue rug rui ruo rur ruu ucc uce ucg uci ucl uco ucr ucu uec uee ueg uei uel uer ugc uge ugg ugi ugl ugo ugr ugu uic uie uig uii uil uio uir uiu ulc ule ulg uli ull ulo ulr ulu uoc uoe uog uol uoo uor ur- urc ure urg uri url uro urr uru uuc uue uug uur uuu