-er -ol c-- ccc cce ccg cch cck ccl cco ccr ce- cec cee ceg ceh cek cel ceo cer cgc cge cgg cgh cgl cgo cgr ch- chc che chg chh chk chl cho chr ckc ckh cko cl- clc cle clg clh clk cll clo clr co- coc coe cog coh cok col coo cor crc cre crg crh crk crl cro crr ec- ecc ece ecg ech eck ecl eco ecr eec eee eeg eek eel eeo eer egc ege egg egh egl ego egr ehc ehe ehg ehh ehl eho ehr ekc eke ekg ekh ekl eko ekr elc ele elg elh elk ell elo elr eo- eoc eoe eog eoh eok eol eoo eor erc ere erg erh erk erl ero err gcc gce gcg gch gck gcl gco gcr ge- gec gee geg geh gek gel geo ger ggc ggg ggh ggo ggr ghc ghe ghg ghh ghl gho ghr gkh gko glc gle glg glh glk gll glo glr goc goe gog goh gok gol goo gor grc gre grg grh grk grl gro grr hcc hce hcg hch hck hcl hco hcr he- hec hee heg heh hek hel heo her hgc hge hgg hgh hgk hgl hgo hgr hhc hhe hhg hhh hhk hhl hho hhr hkg hkh hkk hkl hko hkr hlc hle hlg hlh hll hlo hlr hoc hoe hog hoh hok hol hoo hor hr- hrc hre hrg hrh hrk hrl hro hrr kcc kce kcg kch kck kcl kcr ke- kec kee keg keh kek kel keo ker kgc kgh kgl kgo khe khh khk kho khr kkc kke kkh kkk kkl kkr kl- klc klg klh klo klr koc koe kog koh kok kol koo kor krc krg krk krl kro krr lcc lce lcg lch lck lcl lco lcr lec lee leg leh lek lel leo ler lgc lge lgg lgh lgk lgl lgo lgr lhc lhh lhk lho lhr lkg lkh lkl lkr llc lle llg llk lll llo llr loc loe log loh lok lol loo lor lrc lrg lrh lrk lro lrr oc- occ ocg och ock ocl oco ocr oec oee oeg oeh oel oeo oer ogc oge ogg ogh ogl ogo ohc ohe ohg ohh ohl oho ohr okc oke okg okk okl oko okr olc ole olg olk oll olo oo- ooc oog ooh ook ool ooo oor or- orc ore org orh ork orl oro orr rcc rce rcg rch rcl rco rcr re- rec ree reg reh rek rel reo rer rgc rge rgg rgh rgk rgo rgr rh- rhc rhe rhg rhh rhl rho rhr rkc rke rkg rkk rko rlc rle rlg rlh rll rlo rlr roc roe rog roh rok rol roo ror rrc rrg rrh rrk rrl rrr