-al a-a a-c aaa aac aae aaf aag aal aas aav ac- aca acc ace acf acg acl acs acv aea aec aee aef aeg ael aes aev af- afa afc afe aff afg afl afs afv ag- aga agc age agf agg agl ags agv al- ala alc ale alf alg all als alv as- asa asc ase asf asg asl ass asv av- ava avc ave avf avg avl avs c-- caa cac cae caf cag cal cas cav cca ccc cce ccf ccg ccl ccs ccv ce- cea cec cee cef ceg cel ces cev cfa cfc cfe cff cfg cfl cfs cfv cga cgc cge cgg cgl cgs cgv cl- cla clc cle clf clg cll cls clv csa csc cse csf csg csl css csv cva cvc cve cvf cvg cvl cvs cvv eaa eac eae eaf eag eal eas eav ec- eca ecc ece ecf ecg ecl ecs ecv eea eec eee eef eeg eel ees eev ef- efa efc efe eff efg efl efs ega egc ege egf egg egl egs ela elc ele elf elg ell els elv es- esa esc ese esf esg esl ess esv eva evc eve evf evg evl evs evv faa fac fae faf fag fal fas fav fca fcc fce fcf fcg fcl fcs fcv fea fec fee fef feg fel fes fev ffa ffc ffe fff ffg ffl ffs ffv fga fgc fge fgf fgg fgl fgs fgv fla flc fle flf flg fll fls fsa fsc fse fsf fsg fsl fss fsv fva fvc fvg gaa gac gae gaf gag gal gas gav gca gcc gce gcf gcg gcl gcs ge- gea gec gee gef geg gel ges gev gfa gfc gfe gff gfl gfs gga ggc ggg ggs ggv gla glc gle glf glg gll gls glv gsa gsc gse gsf gsg gsl gss gsv gva gvc gve gvf gvg gvl gvs la- laa lac lae laf lag lal las lav lca lcc lce lcf lcg lcl lcs lcv lea lec lee lef leg lel les lev lfa lfc lfe lff lfg lfl lfs lga lgc lge lgf lgg lgl lgs lgv lla llc lle llf llg lll lls llv lsa lsc lse lsf lsg lsl lss lsv lva lvc lve lvf lvg lvl lvs lvv saa sac sae saf sag sal sas sav sca scc sce scf scg scl scs scv se- sea sec see sef seg sel ses sev sfa sfc sfe sff sfg sfl sfs sfv sga sgc sge sgf sgg sgl sgs sgv sla slc sle slf slg sll sls slv ss- ssa ssc sse ssf ssg ssl sss ssv sva svc sve svf svg svl svs svv v-a v-e vaa vac vae vag val vas vav vca vcc vce vcf vcl vcs vea vec vee vef veg vel ves vfa vfc vff vfg vfl vfs vfv vga vgc vgf vgg vgl vgs vl- vla vlc vle vlf vll vls vlv vsa vsc vse vsf vsg vsl vss vsv vva vvc vvg vvs vvv