a-ii aaaa aaab aaac aaai aaas aaba aabb aabc aabi aabt aaca aacb aacc aaci aaco aacs aact aaib aaic aaii aais aaoo aasa aasc aasi aass aast aata aatc aatt abaa abab abac abai abaj abas abat abb- abba abbb abbi abbo abbs abbt abca abcb abcc abci abcs abct abia abib abic abis abit abjs aboa abob aboo abos abot abs- absa absi abss abta abts ac-t acaa acab acac acai acas acat acba acca accc acci acco accs acct aci- acia acic acis acoa acos acot acsa acsc acsi acss acst acta actc acti acto acts actt aiai aias aiba aibo aica aicc aics aiia aiib aiic aija aioc aioi aisa aisb aisi aisj aiso aist aita aiti aits aitt ajab ajac ajao ajas ajat ajba ajio ajis ajit ajob ajoo ajot ajss aoba aoca aocs aoss aotc asaa asab asac asai asao asas asat asba asbo asc- asca ascb ascc asci ascj asco asct asia asic asii asij asio asis asit asja asob asoc asoi asos asot assa assc assi asso asss asst asta astb astc asti asto asts at-t ataa atab atac atai atas atat atbs atca atcc atco atcs atia atic atis atit atob atoc atoi atos atot atsb atsc atsi atst atta atti atto atts ba-i baaa baas baat baba babb babi babo babs bac- baca bacc baci baco bacs bact baia baib baic baio bais bait baja baji bajs baos basa basc basi baso bass bast bata batc bati bato bats batt bbas bbbb bbbs bbci bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcia bcis bcit bcos bcsa bcsc bcss bctc bcts biaj biao bias biat biba bibb bibi bibo bibs bica bicc bici bico bics biis bija biji bijs bio- bioc bioi bios biot bis- bisa bisc biso biss bist bita bitc bito bits bitt bjcc bjoa boab boac boai boas boat boba bobb bobi bobo bobs boca boco bocs boi- boii bois boit boji bojo bojt boob booc boos boot bosa bosc bosi boso boss bost bota botb boti boto bots bott bsaa bsac bsas bsat bsci bscs bsic bsos bssc bsts btaa btcc btcs btob btss bttb c-bo caaa caab caac caas caat caba cabi cabo cabs cac- caca cacc caci caco caia caib caic caio cais cait caja caji caoi caos casa casb casc casi caso cass cast cat- cata catb catc cati cato cats catt cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbia cbit cbot cbsa cbsc cbsi cbta cbtc ccaa ccab ccac ccai ccas ccat ccba ccbc ccca cccb cccc ccci cccs ccic ccii ccis ccjo ccob ccoc ccsa ccsi ccss ccst cctb cctc cctt ciaa ciao cias ciat ciba cibc cibi cibo cica cicc cici cico cics cict ciia ciii ciis ciit ciob cios cis- cisa cisc ciss cist cita citb citi cito cits citt cjbc cjca cjcb cjcj cjcs cjic cjob cjoi cjsb cjss coai coas coat coba cobb cobi cobo cobs coca coco coct coia cois coit cojo coob coos coot cosa cosc cosi coso coss cost cota cotb cotc coti coto cots cott csaa csab csac csao csas csat cscb cscc csci csco cscs csia csib csio csis csit csob csos csot cssa csta cstc csto csts ctab ctba ctbi ctbs ctca ctia ctic ctos ctot ctsa ctsc ctss ctta ctts iaaa iaac iaai iaas iaat iaba iaca iacc iacs iact iaia iais iasa iasc iasi iaso iata iatc iati ibac ibas ibat ibca ibcs ibia ibis ibos ibot ibsa ibss ibtb ibtc ibts icaa icab icac icai icao icas icat icbc icbs icca iccb iccc icci icco iccs icct icis icoc icos icsa icsb icsc icsi icss icst icta icts iiac iias iica iiii iiio iiis iiit iioi iioo iios iisc iisi iisj iist iita iitt ijji ioba iobi ioci ioii ioio ioit iooi iooo ioos ioso iota ioto is-a isac isai isao isas isat isba isbt isca iscc isci isco iscs isct isia isic isis isit iso- isoc isos issa issc issi isso isss ista istc isti istj isto ists itaa itac itai itas itat itbs itcs itia itic itis itoi itoo itos itsa itsi itso itta itto jaas jaba jabi jabo jabs jaca jacc jaci jaco jacs jais jaja jaji jasa jasc jaso jass jast jati jato jats jbaa jbob jcbc jccc jcci jcss jcts jiao jias jibb jibi jibs jiji jisa jisc jiso jist jiti jito jits jjcc joab joao joba jobo jobs joca joco joia joio jois joit joji jojo joos joot josa joso joss jost jota joto jots jott jsat jsci jsss jtac jtbc jtcc jtsb oaic oais oasc oasi oass oast oats obai obas obba obbo obia obis obit obja oboi obos obot obss obst obts ocab ocac ocas ocat ocbc occa occc occi occt ocis ocos ocsa oct- octa octi octo octs oiaj oiba oici oiii oios oisc oist oita oitc oiti ojai ojas ojos ooaa ooba oobi ooia ooij ooji oooo ooos oosa oosi oost ootb oots osai osas osat osba osca oscc osci osco osia osii osis osoi osoo osos ossa ossb ossi osso osta ostc osti osts otac otas otbs otic otis otit oto- otoo otos otsa otso otta otti otto otts s-ib s-ic s-ii s-os sa-c saab saac saaj saas saat saba sabb sabc sabi sabo sabs saca sacc saci saco sacs sact saia saic sais sait saja saoi saos sasa sasc sasi saso sass sast sata satb satc sati sato sats satt sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbct sbia sbic sbot sbsa sbsi sbst sbtc scaa scab scac scai scas scat scba scbi sccc sccs scct sci- scia scic scio scis scit scob scoo scot scsa scsc scsi scso scst sctc scto scts siaa siab siac siai sias siat siba sibc sibi sibo sibs sica sicc sici sico sics siit sijo sijt sios siot sisa sisc sisi siss sist sit- sita sitc siti sito sits sitt sjab sjac sjcc sjcs sjis sjoa soas soat soba sobo sobs sobt soca soci soco socs soia