a-ii aaaa aaab aaac aaai aaar aaas aaba aabb aabc aabi aaca aacb aacc aaci aaco aacr aacs aaib aaic aaii aais aaoo aara aarc aari aaro aars aasa aasc aasi aass abaa abab abac abai abaj abar abas abb- abba abbb abbi abbo abbr abbs abca abcb abcc abci abcr abcs abia abib abic abir abis abjs aboa abob aboo abor abos abra abrc abri abro abrs abs- absa absi abss acaa acab acac acai acar acas acba acca accc acci acco accs aci- acia acic acir acis acoa acor acos acr- acra acrc acri acro acrr acrs acsa acsc acsi acss aiai aias aiba aibo aica aicc aicr aics aiia aiib aiic aiir aija aioc aioi aira airi airo airs aisa aisb aisi aisj aiso aisr ajab ajac ajao ajar ajas ajba ajio ajis ajob ajoo ajri ajss aoba aoca aocs aora aorb aors aoss arab arac arai arar aras arba arbi arbs arc- arca arci arco arcs aria arib arii arij ario aris arja arjo aroa arob aroi aroo aror aros arr- arra arrc arri arro arrr arrs ars- arsa arsc arsi arso asaa asab asac asai asao asar asas asba asbo asc- asca ascb ascc asci ascj asco ascr asia asic asii asij asio asir asis asja asob asoc asoi asor asos asra asrc asro asrs assa assc assi asso assr asss ba-i baaa baar baas baba babb babi babo babr babs bac- baca bacc baci baco bacs baia baib baic baio bair bais baja baji bajs baos bar- bara barb barc bari baro barr bars basa basc basi baso bass bbas bbbb bbbs bbci bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcor bcos bcra bcrs bcsa bcsc bcss biaj biao biar bias biba bibb bibi bibo bibs bica bicc bici bico bics biis bija biji bijs bio- bioc bioi bios bira birb biri biro birr birs bis- bisa bisc biso biss bjcc bjoa boab boac boai boar boas boba bobb bobi bobo bobs boca boco bocs boi- boii bois boji bojo boob booc boor boos bor- bora bori borj boro borr bors bosa bosc bosi boso boss brab brac brai braj brao bras brca brcb bria bric brio bris broa brob broc broo bror bros brrr brrs brsb brsr bsaa bsac bsas bsci bscs bsic bsos bsra bssc c-bo caaa caab caac caas caba cabi cabo cabs cac- caca cacc caci caco cacr caia caib caic caio cair cais caja caji caoi caor caos cara carb carc cari carj caro carr cars casa casb casc casi caso casr cass cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbia cbir cbrj cbsa cbsc cbsi ccaa ccab ccac ccai ccar ccas ccba ccbc ccca cccb cccc ccci cccs ccic ccii ccir ccis ccjo ccob ccoc ccra ccrc ccri ccrs ccsa ccsi ccss ciaa ciao ciar cias ciba cibc cibi cibo cica cicc cici cico cicr cics ciia ciii ciis ciob cior cios cira cirb circ ciri ciro cirr cirs cis- cisa cisc cisr ciss cjar cjbc cjca cjcb cjcj cjcs cjic cjob cjoi cjor cjrb cjrc cjrj cjrs cjsb cjss coai coas coba cobb cobi cobo cobs coca coco coia coir cois cojo coob coos cor- cora corb corc cori coro corr cors cosa cosc cosi coso coss crab crac crai craj crar cras crbc crca crcc crcr cria crib cric cris crob croc croo cror crsa crss csaa csab csac csao csar csas cscb cscc csci csco cscr cscs csia csib csio csir csis csob csor csos csra csrc csrs cssa cssr iaaa iaac iaai iaas iaba iaca iacc iacr iacs iaia iais iara iarc iars iasa iasc iasi iaso iasr ibac ibar ibas ibca ibcs ibia ibis ibos ibra ibrc ibri ibro ibsa ibss icaa icab icac icai icao icar icas icbc icbs icca iccb iccc icci icco iccr iccs icis icoc icor icos icra icrc icrr icrs icsa icsb icsc icsi icsr icss iiac iias iica iiii iiio iiis iioi iioo iios iira iirc iirs iisc iisi iisj iisr ijji ioba iobi ioci ioii ioio iooi iooo ioos iora iori iors ioso irac irai iraj irao irar iras irca ircc ircs iri- iria iric irio iris irob iroc irra irrc irri irrs irsa is-a isac isai isao isar isas isba isca iscc isci isco iscr iscs isia isic isis iso- isoc isor isos isra isri issa issc issi isso issr isss j-ro jaar jaas jaba jabi jabo jabr jabs jaca jacc jaci jaco jacs jair jais jaja jaji jara jarc jari jaro jarr jars jasa jasc jaso jass jbaa jbar jbob jcbc jccc jcci jcrc jcss jiao jias jibb jibi jibs jiji jira jiri jiro jisa jisc jiso jjar jjcc joab joao joar joba jobo jobs joca joco joia joio jois joji jojo joor joos jora joro josa joso joss jrbr jsci jssr jsss oaic oais oara oars oasc oasi oass obai obas obba obbo obia obis obja oboi obor obos obra obri obro obsr obss ocab ocac ocas ocbc occa occc occi ocis ocos ocra ocro ocrr ocrs ocsa oiaj oiba oici oiii oios oira oisc ojai ojas ojos ooaa ooba oobi oocr ooia ooij ooji oooo ooos oora oosa oosi orab orac orai orao orar oras orba orbb orbi orbo orbs orca orci orco orcs ori- oria oric orio oris orji oro- oror oros orra orri orro orrs orsa orsi orso osai osar osas osba osca oscc osci osco osia osii osis osoi osoo osor osos osro ossa ossb ossi osso raab raaj raas raba rabb rabi rabo rabs rac- raca racc raci raco racs raia raic raii rair rais raja raji rajo rajs raob raoc raos rara rarb rari raro rars rasa rasc rasi raso rass rbbb rbbr rbbs rbis rbss rcac rcas rcbc rcbo rccb rccc rccs rcic rcis rcos rcsa rcsc rcsi rcss riaa riab riai rias rib- riba ribo ribs rica ricc rico rics riia riis riji rijo rijs rios riri rirs risa risc risi riso riss roab roar roas rob- roba robb