-er -ol c-- ccc cce ccg cch ccl cco ccr ce- cec cee ceg ceh cel ceo cer cgc cge cgg cgh cgl cgo cgr ch- chc che chg chh chl cho chr cl- clc cle clg clh cll clo clr co- coc coe cog coh col coo cor crc cre crg crh crl cro crr ec- ecc ece ecg ech ecl eco ecr eec eee eeg eel eeo eer egc ege egg egh egl ego egr ehc ehe ehg ehh ehl eho ehr elc ele elg elh ell elo elr eo- eoc eoe eog eoh eol eoo eor erc ere erg erh erl ero err gcc gce gcg gch gcl gco gcr ge- gec gee geg geh gel geo ger ggc ggg ggh ggo ggr ghc ghe ghg ghh ghl gho ghr glc gle glg glh gll glo glr goc goe gog goh gol goo gor grc gre grg grh grl gro grr hcc hce hcg hch hcl hco hcr he- hec hee heg heh hel heo her hgc hge hgg hgh hgl hgo hgr hhc hhe hhg hhh hhl hho hhr hlc hle hlg hlh hll hlo hlr hoc hoe hog hoh hol hoo hor hr- hrc hre hrg hrh hrl hro hrr lcc lce lcg lch lcl lco lcr lec lee leg leh lel leo ler lgc lge lgg lgh lgl lgo lgr lhc lhh lho lhr llc lle llg lll llo llr loc loe log loh lol loo lor lrc lrg lrh lro lrr oc- occ ocg och ocl oco ocr oec oee oeg oeh oel oeo oer ogc oge ogg ogh ogl ogo ohc ohe ohg ohh ohl oho ohr olc ole olg oll olo oo- ooc oog ooh ool ooo oor or- orc ore org orh orl oro orr rcc rce rcg rch rcl rco rcr re- rec ree reg reh rel reo rer rgc rge rgg rgh rgo rgr rh- rhc rhe rhg rhh rhl rho rhr rlc rle rlg rlh rll rlo rlr roc roe rog roh rol roo ror rrc rrg rrh rrl rrr