-er -ic -ol c-- ccc cce ccg cci ccl cco ccr cct ce- cec cee ceg cei cel ceo cer cet cgc cge cgg cgi cgl cgo cgr cgt ci- cic cie cig cii cil cio cir cit cl- clc cle clg cli cll clo clr clt co- coc coe cog coi col coo cor cot crc cre crg cri crl cro crr crt ctc cte ctg cti ctl cto ctr ctt ec- ecc ece ecg eci ecl eco ecr ect eec eee eeg eel eeo eer eet egc ege egg egi egl ego egr egt eic eie eig eii eil eio eir eit elc ele elg eli ell elo elr elt eo- eoc eoe eog eoi eol eoo eor eot erc ere erg eri erl ero err ert etc ete etg eti etl eto etr ett gcc gce gcg gci gcl gco gcr gct ge- gec gee geg gei gel geo ger get ggc ggg ggi ggo ggr ggt gic gie gig gii gil gio gir git glc gle glg gli gll glo glr glt goc goe gog goi gol goo gor got grc gre grg gri grl gro grr grt gtc gte gtg gti gtl gto gtr gtt icc ice icg ici icl ico icr ict ie- iec iee ieg iei iel ier iet igc ige igg igi igl igo igr igt iic iie iii iil iio iir iit il- ilc ile ilg ili ill ilo ilr ilt io- ioc ioe iog ioi iol ioo ior iot ir- irc ire irg iri irl iro irr irt itc ite itg iti itl ito itt lcc lce lcg lci lcl lco lcr lct lec lee leg lei lel leo ler let lgc lge lgg lgi lgl lgo lgr lgt lic lie lig lii lil lio lir lit llc lle llg lli lll llo llr llt loc loe log loi lol loo lor lot lrc lrg lri lro lrr lrt ltc lte ltg lti ltl lto ltr ltt o-i oc- occ ocg oci ocl oco ocr oct oec oee oeg oei oel oeo oer oet ogc oge ogg ogi ogl ogo ogt oic oie oii oil oio oir oit olc ole olg oli oll olo olt oo- ooc oog ooi ool ooo oor oot or- orc ore org ori orl oro orr ort ot- otc ote otg oti otl oto otr ott rcc rce rcg rci rcl rco rcr rct re- rec ree reg rei rel reo rer ret rgc rge rgg rgi rgo rgr rgt ric rie rig rii ril rio rir rit rlc rle rlg rli rll rlo rlr rlt roc roe rog roi rol roo ror rot rrc rrg rri rrl rrr rrt rtc rte rtg rti rtl rto rtr rtt tcc tce tcg tci tcl tco tcr tct te- tec tee teg tei tel teo ter tet tgc tge tgg tgi tgl tgo tgr tgt tic tie tig tii til tio tir tit tlc tle tlg tli tll tlo tlr tlt to- toc toe tog toi tol too tor tot trc tre trg tri trl tro trr trt ttc tte ttg tti ttl tto ttr ttt