a-ii aaaa aaab aaai aaar aaas aaba aabb aabi aaib aaii aais aaoo aara aari aaro aars aasa aasi aass abaa abab abai abaj abar abas abb- abba abbb abbi abbo abbr abbs abia abib abir abis abjs aboa abob aboo abor abos abra abri abro abrs abs- absa absi abss aiai aias aiba aibo aiia aiib aiir aija aioi aira airi airo airs aisa aisb aisi aisj aiso aisr ajab ajao ajar ajas ajba ajio ajis ajob ajoo ajri ajss aoba aora aorb aors aoss arab arai arar aras arba arbi arbs aria arib arii arij ario aris arja arjo aroa arob aroi aroo aror aros arr- arra arri arro arrr arrs ars- arsa arsi arso asaa asab asai asao asar asas asba asbo asia asii asij asio asir asis asja asob asoi asor asos asra asro asrs assa assi asso assr asss ba-i baaa baar baas baba babb babi babo babr babs baia baib baio bair bais baja baji bajs baos bar- bara barb bari baro barr bars basa basi baso bass bbas bbbb bbbs biaj biao biar bias biba bibb bibi bibo bibs biis bija biji bijs bio- bioi bios bira birb biri biro birr birs bis- bisa biso biss bjoa boab boai boar boas boba bobb bobi bobo bobs boi- boii bois boji bojo boob boor boos bor- bora bori borj boro borr bors bosa bosi boso boss brab brai braj brao bras bria brio bris broa brob broo bror bros brrr brrs brsb brsr bsaa bsas bsos bsra iaaa iaai iaas iaba iaia iais iara iars iasa iasi iaso iasr ibar ibas ibia ibis ibos ibra ibri ibro ibsa ibss iias iiii iiio iiis iioi iioo iios iira iirs iisi iisj iisr ijji ioba iobi ioii ioio iooi iooo ioos iora iori iors ioso irai iraj irao irar iras iri- iria irio iris irob irra irri irrs irsa is-a isai isao isar isas isba isia isis iso- isor isos isra isri issa issi isso issr isss j-ro jaar jaas jaba jabi jabo jabr jabs jair jais jaja jaji jara jari jaro jarr jars jasa jaso jass jbaa jbar jbob jiao jias jibb jibi jibs jiji jira jiri jiro jisa jiso jjar joab joao joar joba jobo jobs joia joio jois joji jojo joor joos jora joro josa joso joss jrbr jssr jsss oais oara oars oasi oass obai obas obba obbo obia obis obja oboi obor obos obra obri obro obsr obss oiaj oiba oiii oios oira ojai ojas ojos ooaa ooba oobi ooia ooij ooji oooo ooos oora oosa oosi orab orai orao orar oras orba orbb orbi orbo orbs ori- oria orio oris orji oro- oror oros orra orri orro orrs orsa orsi orso osai osar osas osba osia osii osis osoi osoo osor osos osro ossa ossb ossi osso raab raaj raas raba rabb rabi rabo rabs raia raii rair rais raja raji rajo rajs raob raos rara rarb rari raro rars rasa rasi raso rass rbbb rbbr rbbs rbis rbss riaa riab riai rias rib- riba ribo ribs riia riis riji rijo rijs rios riri rirs risa risi riso riss roab roar roas rob- roba robb robi robo robs roia roio roir rois roja roji rojo rojs roob rooi roor roos rora rori roro rosa rosi roso ross rras rrrr rsaa rsai rsaj rsbi rsis rsos rssa s-ib s-ii s-os saab saaj saar saas saba sabb sabi sabo sabr sabs saia sair sais saja saoi saor saos sara sari saro sarr sars sasa sasi saso sass sbaa sbai sbar sbas sbbs sbia sbor sbsa sbsi siaa siab siai sias siba sibi sibo sibs sijo sior sios sira siri siro sirr sirs sisa sisi siss sjab sjis sjoa soar soas soba sobo sobr sobs soia soir sois soja soji soor soos sora sorb sori soro sorr sors sosa sosi soso soss sras srib sris sros ssaa ssab ssao ssas ssbr ssis ssra ssri ssrs sssa sssb sssi ssss