a-ii a-iv aaaa aaab aaai aaal aaar aaav aaba aabb aabi aabl aaib aaii aala aali aall aara aari aava abaa abab abai abal abar abb- abba abbb abbi abbr abia abib abil abir abla ablv abra abri abva aiai aiba aibl aiia aiib aiir aila aili aira airi aiva alaa alai alal alar alb- alba albi ali- alia alib alii alil alir all- alla alli alll allr alva alvi arab arai aral arar arba arbi aria arib arii aril arla arli arr- arra arri arrr arva arvi avab aval avar avia avil aviv avlb avra avri avva ba-i baaa baal baar baba babb babi babr baia baib bail bair bala bali ball bar- bara barb bari barr bava bavi bbbb bblb bial biar biba bibb bibi bibl bila bili bill bira birb biri birl birr bivi bivl blaa blab blir brab brai brav bria bril brrr brvi iaaa iaai iaal iaba iaia iala iall iara iava ibar ibia ibra ibri iiii iila iira ilal ilar ilia ilir ill- illa illi ilva irai iral irar iri- iria iril irla irlb irra irri ivai ivar ivbv laaa laal laar laba labi labr laia lail lair lala lali lall lara larb lari larr larv lava lavi lbar lbia lblr liar liba libr liia liii liir liiv lila lilb lili lill lira liri lirl lirr liva livi llll lral lrba lrrr lvii lviv lvrr raab raba rabb rabi rabl raia raii rail rair rala ralb rall rara rarb rari rava ravi rbbb rbbr riaa riab riai rial rib- riba riia rila rill riri riva rlab rrrr vaal vaar vaia vail vair vala vali vall vara vari varr vava vial viar viii vila vili vill vira virb viri virl virr viva vivi vlab vlai vlba vlli vrai vrav vrba vrbl vria vril vvvv