-al a-a a-c aaa aac aae aal aav aax ac- aca acc ace acl acv acx aea aec aee ael aev aex al- ala alc ale all alv alx av- ava avc ave avl avx ax- axa axe axl axv axx c-- caa cac cae cal cav cax cca ccc cce ccl ccv ccx ce- cea cec cee cel cev cex cl- cla clc cle cll clv clx cva cvc cve cvl cvv cvx cxc cxl cxv cxx eaa eac eae eal eav eax ec- eca ecc ece ecl ecv ecx eea eec eee eel eev eex ela elc ele ell elv elx eva evc eve evl evv ex- exa exc exe exl exx la- laa lac lae lal lav lax lca lcc lce lcl lcv lcx lea lec lee lel lev lex lla llc lle lll llv lva lvc lve lvl lvv lvx lxc lxv lxx v-a v-e vaa vac vae val vav vax vca vcc vce vcl vcx vea vec vee vel vex vl- vla vlc vle vll vlv vva vvc vvv vxa vxl vxv xaa xac xal xav xcl xcv xcx xee xel xev xex xla xlv xvl xxl xxv xxx