a-ii aaaa aaab aaai aaas aaba aabb aabi aaib aaii aais aaoo aasa aasi aass abaa abab abai abaj abas abb- abba abbb abbi abbo abbs abia abib abis abjs aboa abob aboo abos abs- absa absi abss aiai aias aiba aibo aiia aiib aija aioi aisa aisb aisi aisj aiso ajab ajao ajas ajba ajio ajis ajob ajoo ajss aoba aoss asaa asab asai asao asas asba asbo asia asii asij asio asis asja asob asoi asos assa assi asso asss ba-i baaa baas baba babb babi babo babs baia baib baio bais baja baji bajs baos basa basi baso bass bbas bbbb bbbs biaj biao bias biba bibb bibi bibo bibs biis bija biji bijs bio- bioi bios bis- bisa biso biss bjoa boab boai boas boba bobb bobi bobo bobs boi- boii bois boji bojo boob boos bosa bosi boso boss bsaa bsas bsos iaaa iaai iaas iaba iaia iais iasa iasi iaso ibas ibia ibis ibos ibsa ibss iias iiii iiio iiis iioi iioo iios iisi iisj ijji ioba iobi ioii ioio iooi iooo ioos ioso is-a isai isao isas isba isia isis iso- isos issa issi isso isss jaas jaba jabi jabo jabs jais jaja jaji jasa jaso jass jbaa jbob jiao jias jibb jibi jibs jiji jisa jiso joab joao joba jobo jobs joia joio jois joji jojo joos josa joso joss jsss oais oasi oass obai obas obba obbo obia obis obja oboi obos obss oiaj oiba oiii oios ojai ojas ojos ooaa ooba oobi ooia ooij ooji oooo ooos oosa oosi osai osas osba osia osii osis osoi osoo osos ossa ossb ossi osso s-ib s-ii s-os saab saaj saas saba sabb sabi sabo sabs saia sais saja saoi saos sasa sasi saso sass sbaa sbai sbas sbbs sbia sbsa sbsi siaa siab siai sias siba sibi sibo sibs sijo sios sisa sisi siss sjab sjis sjoa soas soba sobo sobs soia sois soja soji soos sosa sosi soso soss ssaa ssab ssao ssas ssis sssa sssb sssi ssss