-ol c-- ccc cce ccg ccl cco cct ce- cec cee ceg cel ceo cet cgc cge cgg cgl cgo cgt cl- clc cle clg cll clo clt co- coc coe cog col coo cot ctc cte ctg ctl cto ctt ec- ecc ece ecg ecl eco ect eec eee eeg eel eeo eet egc ege egg egl ego egt elc ele elg ell elo elt eo- eoc eoe eog eol eoo eot etc ete etg etl eto ett gcc gce gcg gcl gco gct ge- gec gee geg gel geo get ggc ggg ggo ggt glc gle glg gll glo glt goc goe gog gol goo got gtc gte gtg gtl gto gtt lcc lce lcg lcl lco lct lec lee leg lel leo let lgc lge lgg lgl lgo lgt llc lle llg lll llo llt loc loe log lol loo lot ltc lte ltg ltl lto ltt oc- occ ocg ocl oco oct oec oee oeg oel oeo oet ogc oge ogg ogl ogo ogt olc ole olg oll olo olt oo- ooc oog ool ooo oot ot- otc ote otg otl oto ott tcc tce tcg tcl tco tct te- tec tee teg tel teo tet tgc tge tgg tgl tgo tgt tlc tle tlg tll tlo tlt to- toc toe tog tol too tot ttc tte ttg ttl tto ttt