a-ii aaaa aaab aaai aaam aaar aaba aabb aabi aabm aabt aaib aaii aama aamb aami aamr aara aari aarm aart aata aatt abaa abab abai abam abar abat abb- abba abbb abbi abbr abbt abia abib abim abir abit abma abmb abmt abra abri abta aiai aiba aiia aiib aiir aimi aimm aira airi airt aita aiti aitr aitt amaa amai amam amar amat amb- amba ambi ambr amia amib amii amir amit amm- amma ammi amra amri amta amti arab arai aram arar arat arba arbi aria arib arii arim arit arma armi armm armt arr- arra arri arrr arrt arta arti artr at-t ataa atab atai atar atat atia atim atit atm- atma atra atri atrm atta atti attr ba-i baaa baam baar baat baba babb babi babm babr baia baib bair bait bama bamb bami bamm bar- bara barb bari barm barr bart bata bati batt bbbb biar biat biba bibb bibi bima bira birb biri birr birt bita bitt bmaa bmir bmmi brab brai bram brat bria brim brit brrm brrr btaa btrt bttb iaaa iaai iaat iaba iabm iaia iaim iama iamb iami iamt iara iart iata iati ibar ibat ibbm ibia ibim ibma ibra ibri ibtb iiii iiit iira iita iitm iitr iitt imai imam imar imat imba imbi imir imit imma immi immt imra imri imrr imta irai iram irar irbm iri- iria irma irra irri irta irti itaa itai itam itar itat itia itim itma itra itri itta ma-i maaa maai maam maar maat maba mabi maia maib maii maim mair mait mama mami mar- mara mari marm marr mart mata mati matr matt mbam mbba mbia mbim mbta miaa miab miai miam miat miii miit mim- mima mimi mira miri mirr mirt mit- mita mitb miti mitm mitt mmaa mmab mmai mmar mmii mmmm mrbb mrbm mria mrta mrtm mrtt mtaa mtab mtrr mttr raab raam raat raba rabb rabi raia raii raim rair rait rama ramb rami ramm rara rarb rari rata rati ratt rbbb rbbr riaa riab riai riam riat rib- riba riia rima rimi rimm riri rita riti ritt rrat rrrr rtai rtmi taa- taar taat taba tabb tabi taia taim tair tait tama tami tamm tara tarb tari tarm tarr tart tata tatb tati tatr tatt tbar tbit tbrb tbta tiaa tiab tiar tiba tibi tiit tima timi timm tira tirb tiri tirr tita titi titt tmaa tmbr tmtt traa trab trai tram trat tri- tria trib trim trit trma trmb trmi trra trtr ttab ttbb ttim ttma tttt