a-ii a-iv aaaa aaab aaad aaai aaar aaav aaba aabb aabd aabi aada aadi aaib aaii aara aard aari aava abaa abab abad abai abar abb- abba abbb abbi abbr abda abdi abia abib abid abir abra abri abva abvd adaa adab adad adai adar adba adbi adda addd addi addr adia adib adir adra advb advi aiai aiba aida aidb aidi aidr aiia aiib aiid aiir aira aird airi aiva aivd arab arad arai arar arba arbi arda ardi aria arib arid arii arr- arra arri arrr arva arvi avab avar avda avdi avia avid aviv avra avri avva ba-i baaa baad baar baba babb babi babr bada badb badd badi badr baia baib baid bair bar- bara barb bard bari barr bava bavi bbad bbbb bbdd bd-r bdav bdii biad biar biba bibb bibi bida bidi bidr bira birb bird biri birr bivi brab brad brai brav brda bria brid brrr brvi daab daad daar daba dabb dada dadi daia daid dair dara darb dard dari darr dava davi dbar dddd dia- diab diad diar diba dibb dida didi diii diiv dira dird dirr diva divd divi draa drab drad drar drba drda drib drra dvar dvda dvdr dvi- dvii dvir dvra iaaa iaai iaba iadb iaia iara iava ibad ibar ibia ibid ibra ibrd ibri idad idar idda idia idid idir idra idvd iida iiii iira irad irai irar irda iri- iria irid irra irri ivai ivar ivbv ivda ivdr raab raad raba rabb rabi rada radd radr raia raid raii rair rara rarb rari rava ravi rbbb rbbr riaa riab riad riai rib- riba rida ridd ridi riia riri riva rrad rrrr vaad vaar vada vadi vaia vaid vair vara vard vari varr vava viad viar vida vidi viii vira virb viri virr viva vivi vrai vrav vrba vrdi vria vvvv