a-ii aaaa aaab aaai aaas aaba aabb aabi aabt aaib aaii aais aasa aasi aass aast aata aatt abaa abab abai abaj abas abat abb- abba abbb abbi abbs abbt abia abib abis abit abjs abs- absa absi abss abta abts aiai aias aiba aiia aiib aija aisa aisb aisi aisj aist aita aiti aits aitt ajab ajas ajat ajba ajis ajit ajss asaa asab asai asas asat asba asia asii asij asis asit asja assa assi asss asst asta astb asti asts at-t ataa atab atai atas atat atbs atia atis atit atsb atsi atst atta atti atts ba-i baaa baas baat baba babb babi babs baia baib bais bait baja baji bajs basa basi bass bast bata bati bats batt bbas bbbb bbbs biaj bias biat biba bibb bibi bibs biis bija biji bijs bis- bisa biss bist bita bits bitt bsaa bsas bsat bsts btaa btss bttb iaaa iaai iaas iaat iaba iaia iais iasa iasi iata iati ibas ibat ibia ibis ibsa ibss ibtb ibts iias iiii iiis iiit iisi iisj iist iita iitt ijji is-a isai isas isat isba isbt isia isis isit issa issi isss ista isti istj ists itaa itai itas itat itbs itia itis itsa itsi itta jaas jaba jabi jabs jais jaja jaji jasa jass jast jati jats jbaa jias jibb jibi jibs jiji jisa jist jiti jits jsat jsss jtsb s-ib s-ii saab saaj saas saat saba sabb sabi sabs saia sais sait saja sasa sasi sass sast sata satb sati sats satt sbaa sbai sbas sbbs sbia sbsa sbsi sbst siaa siab siai sias siat siba sibi sibs siit sijt sisa sisi siss sist sit- sita siti sits sitt sjab sjis ssaa ssab ssas ssat ssis ssit sssa sssb sssi ssss ssta sstb ssts stab stai staj stas stat stbs stia stib stis stit stsi stss taa- taas taat taba tabb tabi tabs taia tais tait tasa tasb tasi tass tast tata tatb tati tats tatt tbas tbbs tbit tbst tbta tiaa tiab tias tiba tibi tibs tiit tiji tijs tisa tisb tisi tiss tist tita titi tits titt tjsj tsaa tsai tsat tsia tsis tssa tssi tsst tsts ttab ttbb ttss tttt