a-ii aaaa aaab aaai aaal aaba aabb aabi aabl aaib aaii aala aali aall aalo aaoo abaa abab abai abal abb- abba abbb abbi abbo abia abib abil abla ablo aboa abob abol aboo aiai aiba aibl aibo aiia aiib aila aili aioi alaa alai alal alao alb- alba albi albo ali- alia alib alii alil alio all- alla alli alll allo aloa aloi alol aloo aoba aola ba-i baaa baal baba babb babi babo baia baib bail baio bala bali ball balo baol bbbb bblb bial biao biba bibb bibi bibl bibo bila bili bill bilo bio- bioi biol blaa blab blio blob bloo boab boai boal boba bobb bobi bobo boi- boii boil bola boli boll bolo boob bool iaaa iaai iaal iaba iaia iala iall ibia iiii iiio iila iioi iioo ilal ilia ilio ill- illa illi illo iloo ioba iobi ioii ioio iola iolo iooi iooo laaa laal laba labi labo laia lail lala lali lall lalo lbia liao liba libo liia liii lila lilb lili lill lilo lio- llao llll lloa lloo lob- loba lobb lobi lobo lola loli loll lolo loob lool oall obai obal obba obbo obia obla oboi obol oiba oiii oila olba olbo olia olib olio olla olli ollo ooaa ooba oobi ooia oola oolo oooo