-al a-a a-c aaa aac aae aaf aal aas aav ac- aca acc ace acf acl acs acv aea aec aee aef ael aes aev af- afa afc afe aff afl afs afv al- ala alc ale alf all als alv as- asa asc ase asf asl ass asv av- ava avc ave avf avl avs c-- caa cac cae caf cal cas cav cca ccc cce ccf ccl ccs ccv ce- cea cec cee cef cel ces cev cfa cfc cfe cff cfl cfs cfv cl- cla clc cle clf cll cls clv csa csc cse csf csl css csv cva cvc cve cvf cvl cvs cvv eaa eac eae eaf eal eas eav ec- eca ecc ece ecf ecl ecs ecv eea eec eee eef eel ees eev ef- efa efc efe eff efl efs ela elc ele elf ell els elv es- esa esc ese esf esl ess esv eva evc eve evf evl evs evv faa fac fae faf fal fas fav fca fcc fce fcf fcl fcs fcv fea fec fee fef fel fes fev ffa ffc ffe fff ffl ffs ffv fla flc fle flf fll fls fsa fsc fse fsf fsl fss fsv fva fvc la- laa lac lae laf lal las lav lca lcc lce lcf lcl lcs lcv lea lec lee lef lel les lev lfa lfc lfe lff lfl lfs lla llc lle llf lll lls llv lsa lsc lse lsf lsl lss lsv lva lvc lve lvf lvl lvs lvv saa sac sae saf sal sas sav sca scc sce scf scl scs scv se- sea sec see sef sel ses sev sfa sfc sfe sff sfl sfs sfv sla slc sle slf sll sls slv ss- ssa ssc sse ssf ssl sss ssv sva svc sve svf svl svs svv v-a v-e vaa vac vae val vas vav vca vcc vce vcf vcl vcs vea vec vee vef vel ves vfa vfc vff vfl vfs vfv vl- vla vlc vle vlf vll vls vlv vsa vsc vse vsf vsl vss vsv vva vvc vvs vvv