-al -ic -ol a-a a-c a-i a-t aaa aac aae aag aai aal aao aat ac- aca acc ace acg aci acl aco act aea aec aee aeg aei ael aeo aet ag- aga agc age agg agi agl ago agt ai- aia aic aie aig aii ail aio ait al- ala alc ale alg ali all alo alt aoa aoc aoe aog aoi aol aoo aot at- ata atc ate atg ati atl ato att c-- caa cac cae cag cai cal cao cat cca ccc cce ccg cci ccl cco cct ce- cea cec cee ceg cei cel ceo cet cga cgc cge cgg cgi cgl cgo cgt ci- cia cic cie cig cii cil cio cit cl- cla clc cle clg cli cll clo clt co- coa coc coe cog coi col coo cot cta ctc cte ctg cti ctl cto ctt eaa eac eae eag eai eal eao eat ec- eca ecc ece ecg eci ecl eco ect eea eec eee eeg eel eeo eet ega egc ege egg egi egl ego egt eia eic eie eig eii eil eio eit ela elc ele elg eli ell elo elt eo- eoa eoc eoe eog eoi eol eoo eot eta etc ete etg eti etl eto ett gaa gac gae gag gai gal gao gat gca gcc gce gcg gci gcl gco gct ge- gea gec gee geg gei gel geo get gga ggc ggg ggi ggo ggt gia gic gie gig gii gil gio git gla glc gle glg gli gll glo glt goa goc goe gog goi gol goo got gta gtc gte gtg gti gtl gto gtt ia- iaa iac iae iag iai ial iao iat ica icc ice icg ici icl ico ict ie- iea iec iee ieg iei iel iet iga igc ige igg igi igl igo igt iia iic iie iii iil iio iit il- ila ilc ile ilg ili ill ilo ilt io- ioa ioc ioe iog ioi iol ioo iot ita itc ite itg iti itl ito itt la- laa lac lae lag lai lal lao lat lca lcc lce lcg lci lcl lco lct lea lec lee leg lei lel leo let lga lgc lge lgg lgi lgl lgo lgt lia lic lie lig lii lil lio lit lla llc lle llg lli lll llo llt loa loc loe log loi lol loo lot lta ltc lte ltg lti ltl lto ltt o-i oaa oac oae oag oai oal oao oat oc- oca occ ocg oci ocl oco oct oea oec oee oeg oei oel oeo oet oga ogc oge ogg ogi ogl ogo ogt oia oic oie oii oil oio oit ola olc ole olg oli oll olo olt oo- ooa ooc oog ooi ool ooo oot ot- ota otc ote otg oti otl oto ott taa tac tae tag tai tal tao tat tca tcc tce tcg tci tcl tco tct te- tea tec tee teg tei tel teo tet tga tgc tge tgg tgi tgl tgo tgt tia tic tie tig tii til tio tit tla tlc tle tlg tli tll tlo tlt to- toa toc toe tog toi tol too tot tta ttc tte ttg tti ttl tto ttt