-al a-a a-b a-z aaa aab aae aal aan aau aav aaz ab- aba abb abe abl abn abu abv abz aea aeb aee ael aen aeu aev aez al- ala alb ale all aln alu alv alz an- ana anb ane anl ann anu anv anz au- aua aub aue aul aun auv auz av- ava avb ave avl avn avu avz az- aza azb aze azn azu azz b-u baa bab bae bal ban bau bav baz bba bbb bbe bbl bbn bbu be- bea beb bee bel ben beu bev bez bla blb ble bll bln blu blv blz bna bnb bne bnl bnn bnu bnv bnz bua bub bue bul bun buu buz bva bvb bve bvl bvn bvu bvv bza bze bzn bzu bzz eaa eab eae eal ean eau eav eaz eba ebb ebe ebl ebn ebu ebv eea eeb eee eel een eev ela elb ele ell eln elu elv elz en- ena enb ene enl enn enu env enz eu- eua eub eue eul eun euv eva evb eve evl evn evv eze ezz la- laa lab lae lal lan lau lav laz lba lbb lbe lbl lbu lbv lea leb lee lel len leu lev lez lla llb lle lll lln llu llv llz lna lnb lne lnl lnn lnu lua lub lue lul lun luu luv luz lva lvb lve lvl lvn lvv lvz lzu naa nab nae nal nan nau nav naz nba nbb nbe nbl nbn nbu nbv ne- nea neb nee nel nen neu nev nez nla nlb nle nll nln nlu nlv nlz nna nnb nne nnl nnn nnu nnv nnz nua nub nue nul nun nuu nuv nva nvb nve nvl nvn nvu nvv nzb nze nzz ua- uaa uab uae ual uan uau uav uaz uba ubb ube ubl ubn ubu ubv uea ueb uee uel uen ula ulb ule ull uln ulu ulv un- una unb une unl unn unu unv uua uue uun uuu uva uvb uve uvl uvu uvv uza uzb uzu v-a v-e vaa vab vae val van vau vav vaz vba vbl vbv vbz vea veb vee vel ven veu vez vl- vla vlb vle vll vlv vn- vna vnl vnu vnv vue vul vuv vuz vva vvb vvv vvz vzn zaa zab zan zav zaz zbb zbl zbv zea zeb zee zel zen zev zez zla zne znn zub zul zun zuz zzz