a-be a-ii aaaa aaab aaae aaai aaal aaba aabb aabi aabl aaea aaib aaii aala aale aali aall abaa abab abae abai abal abax abb- abba abbb abbe abbi abee abel abia abib abie abil abla able aebi aela aiai aiba aibl aiea aiee aiel aiia aiib aila aile aili aixa aixi alaa alae alai alal alb- alba albe albi alea alee alex ali- alia alib alie alii alil alix all- alla alle alli alll alxa axal axel axi- axia axie axil axle ba-i ba-x baaa baal baba babb babe babi bael baia baib baie bail baix bala bale bali ball baxi bbbb bbeb bblb beal beba bebb bebe bebi beeb beel beia beil bela bele beli bell bial biba bibb bibe bibi bibl bieb biel bila bile bili bill bixa bixi blaa blab blae blea bleb blee blei blix e-la eaba eala eale eaxl ebal ebba ebel ebix ebla ebli eeea eeee eele eiei eila eile el-b elab elai elal elba elbe elbi elea elee elex elia elie elil elix ella elle elli exa- exai exel i-be iaaa iaai iaal iaba iaea iaia iala iale iall ibea ibex ibia ibie ible ieie iele iiie iiii iila ilal ilbx ile- ilea ilex ilia ilie ill- illa ille illi ilxx ixia ixil ixxi laaa laal laax laba labe labi lael laia laie lail laix lala lale lali lall laxa laxe lbia leaa leal leba leea leel leia leib leie leil leix lela lele leli lell lexa lexi lexx liba libe libx lieb liel liia liii lila lilb lile lili lill lixa lixi llll lxii lxxi lxxx xala xall xbai xbee xbel xela xexe xibe xiii xil- xili xill xixi xlib xlii xlix xxii xxix xxxi xxxx