a-ii aaaa aaab aaai aaal aaar aaba aabb aabi aabl aaib aaii aala aali aall aara aari abaa abab abai abal abar abb- abba abbb abbi abbr abia abib abil abir abla abra abri aiai aiba aibl aiia aiib aiir aila aili aira airi alaa alai alal alar alb- alba albi ali- alia alib alii alil alir all- alla alli alll allr arab arai aral arar arba arbi aria arib arii aril arla arli arr- arra arri arrr ba-i baaa baal baar baba babb babi babr baia baib bail bair bala bali ball bar- bara barb bari barr bbbb bblb bial biar biba bibb bibi bibl bila bili bill bira birb biri birl birr blaa blab blir brab brai bria bril brrr iaaa iaai iaal iaba iaia iala iall iara ibar ibia ibra ibri iiii iila iira ilal ilar ilia ilir ill- illa illi irai iral irar iri- iria iril irla irlb irra irri laaa laal laar laba labi labr laia lail lair lala lali lall lara larb lari larr lbar lbia lblr liar liba libr liia liii liir lila lilb lili lill lira liri lirl lirr llll lral lrba lrrr raab raba rabb rabi rabl raia raii rail rair rala ralb rall rara rarb rari rbbb rbbr riaa riab riai rial rib- riba riia rila rill riri rlab rrrr