-al a-a a-b aaa aab aae aal aau aav aax ab- aba abb abe abl abu abv abx aea aeb aee ael aeu aev aex al- ala alb ale all alu alv alx au- aua aub aue aul auv aux av- ava avb ave avl avu avx ax- axa axe axl axv axx b-u baa bab bae bal bau bav bax bba bbb bbe bbl bbu bbx be- bea beb bee bel beu bev bex bla blb ble bll blu blv blx bua bub bue bul buu bux bva bvb bve bvl bvu bvv bxb bxl bxx eaa eab eae eal eau eav eax eba ebb ebe ebl ebu ebv ebx eea eeb eee eel eev eex ela elb ele ell elu elv elx eu- eua eub eue eul euv eux eva evb eve evl evv ex- exa exe exl exu exx la- laa lab lae lal lau lav lax lba lbb lbe lbl lbu lbv lbx lea leb lee lel leu lev lex lla llb lle lll llu llv lua lub lue lul luu luv lux lva lvb lve lvl lvv lvx lxv lxx ua- uaa uab uae ual uau uav uba ubb ube ubl ubu ubv ubx uea ueb uee uel ula ulb ule ull ulu ulv uua uue uuu uva uvb uve uvl uvu uvv uxb uxu v-a v-e vaa vab vae val vau vav vax vba vbl vbv vea veb vee vel veu vex vl- vla vlb vle vll vlv vue vul vuv vva vvb vvv vxa vxl vxv xaa xal xau xav xbe xbl xbx xee xel xeu xev xex xla xlb xlv xue xul xuv xvl xxl xxv xxx