-al -ol a-a a-c aaa aac aae aag aal aao aas aav ac- aca acc ace acg acl aco acs acv aea aec aee aeg ael aeo aes aev ag- aga agc age agg agl ago ags agv al- ala alc ale alg all alo als alv aoa aoc aoe aog aol aoo aos aov as- asa asc ase asg asl aso ass asv av- ava avc ave avg avl avo avs c-- caa cac cae cag cal cao cas cav cca ccc cce ccg ccl cco ccs ccv ce- cea cec cee ceg cel ceo ces cev cga cgc cge cgg cgl cgo cgs cgv cl- cla clc cle clg cll clo cls clv co- coa coc coe cog col coo cos cov csa csc cse csg csl cso css csv cva cvc cve cvg cvl cvo cvs cvv eaa eac eae eag eal eao eas eav ec- eca ecc ece ecg ecl eco ecs ecv eea eec eee eeg eel eeo ees eev ega egc ege egg egl ego egs ela elc ele elg ell elo els elv eo- eoa eoc eoe eog eol eoo eos es- esa esc ese esg esl eso ess esv eva evc eve evg evl evo evs evv gaa gac gae gag gal gao gas gav gca gcc gce gcg gcl gco gcs ge- gea gec gee geg gel geo ges gev gga ggc ggg ggo ggs ggv gla glc gle glg gll glo gls glv goa goc goe gog gol goo gos gov gsa gsc gse gsg gsl gso gss gsv gva gvc gve gvg gvl gvo gvs la- laa lac lae lag lal lao las lav lca lcc lce lcg lcl lco lcs lcv lea lec lee leg lel leo les lev lga lgc lge lgg lgl lgo lgs lgv lla llc lle llg lll llo lls llv loa loc loe log lol loo los lov lsa lsc lse lsg lsl lso lss lsv lva lvc lve lvg lvl lvs lvv oaa oac oae oag oal oao oas oav oc- oca occ ocg ocl oco ocs ocv oea oec oee oeg oel oeo oes oga ogc oge ogg ogl ogo ogs ola olc ole olg oll olo ols oo- ooa ooc oog ool ooo oos oov os- osa osc ose osg osl oso oss osv ov- ova ovc ove ovl ovo ovs ovv saa sac sae sag sal sao sas sav sca scc sce scg scl sco scs scv se- sea sec see seg sel seo ses sev sga sgc sge sgg sgl sgo sgs sgv sla slc sle slg sll slo sls slv soa soc soe sog sol soo sos sov ss- ssa ssc sse ssg ssl sso sss ssv sva svc sve svg svl svo svs svv v-a v-e vaa vac vae vag val vao vas vav vca vcc vce vcl vco vcs vea vec vee veg vel veo ves vga vgc vgg vgl vgo vgs vl- vla vlc vle vll vlo vls vlv voa voc voe vog vol voo vos vov vsa vsc vse vsg vsl vso vss vsv vva vvc vvg vvo vvs vvv