a-ak a-ii aaaa aaab aaac aaai aaas aaba aabb aabc aabi aabt aaca aacb aacc aaci aack aacs aact aaib aaic aaii aais aaka aasa aasc aasi aass aast aata aatc aatk aatt abaa abab abac abai abak abas abat abb- abba abbb abbi abbs abbt abca abcb abcc abci abcs abct abia abib abic abis abit abs- absa absi abss abta abts ac-t acaa acab acac acai acas acat acba acca accc acci accs acct aci- acia acic acis acks acsa acsc acsi acss acst acta actc acti acts actt aiai aias aiba aica aicc aics aiia aiib aiic aika aiki aiks aisa aisb aisi aisk aist aita aiti aits aitt akaa akai akas akca akia akik akis akka akki aksa aksi akst asaa asab asac asai asak asas asat asba asc- asca ascb ascc asci asct asia asic asii asik asis asit aska aski asks askt assa assc assi assk asss asst asta astb astc asti asts at-t ataa atab atac atai atak atas atat atbs atca atcc atck atcs atia atic atik atis atit atka atkt atsb atsc atsi atst atta atti atts ba-i baaa baak baas baat baba babb babi babs bac- baca bacc baci back bacs bact baia baib baic baik bais bait bak- baka baki baks bakt basa basc basi bask bass bast bata batc bati bats batt bbas bbbb bbbs bbci bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcia bcis bcit bcsa bcsc bcss bctc bcts biak bias biat biba bibb bibi bibs bica bicc bici bick bics biis bis- bisa bisc bisk biss bist bita bitc bits bitt bsaa bsac bsas bsat bsci bscs bsic bskt bssc bsts btaa btcc btcs btss bttb caaa caab caac caas caat caba cabi cabs cac- caca cacc caci cack caia caib caic caik cais cait caka casa casb casc casi cask cass cast cat- cata catb catc cati cats catt cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbia cbit cbka cbsa cbsc cbsi cbta cbtc ccaa ccab ccac ccai ccas ccat ccba ccbc ccca cccb cccc ccci cccs ccic ccii ccis ccsa ccsi ccss ccst cctb cctc cctt ciaa ciak cias ciat ciba cibc cibi cica cicc cici cics cict ciia ciii ciis ciit cika cis- cisa cisc cisk ciss cist cita citb citi cits citt ckac ckat ckbc ckbi ckck ckcs cksa cksb ckst cktb ckts csaa csab csac csak csas csat cscb cscc csci cscs csia csib csik csis csit cska csks cssa csta cstc csts ctab ctba ctbi ctbs ctca ctia ctic ctsa ctsc ctss ctta ctts iaaa iaac iaai iaas iaat iaba iaca iacc iacs iact iaia iais iasa iasc iasi iask iata iatc iati ibac ibas ibat ibca ibcs ibia ibis ibsa ibss ibtb ibtc ibts icaa icab icac icai icas icat icbc icbs icca iccb iccc icci iccs icct icis icks icsa icsb icsc icsi icss icst icta icts iiac iias iica iiii iiis iiit iisc iisi iist iita iitt ikat ikki is-a isac isai isak isas isat isba isbt isca iscc isci iscs isct isia isic isis isit iska issa issc issi isss ista istc isti ists itaa itac itai itak itas itat itbs itcs itia itic itis itsa itsi itta k-ci kaaa kaab kaai kaak kaas kaat kaba kabb kabc kabi kacb kacc kaci kacs kact kaia kaib kaic kaii kaik kais kait kaka kakc kaki kakk kaks kakt kas- kasa kasb kasc kasi kask kass kast kat- kata katb katc kati katk kats katt kbaa kbab kbac kbai kbak kbas kbat kbba kbbb kbbc kbbi kbbk kbbs kbbt kbca kbcb kbci kbck kbcs kbct kbia kbib kbic kbik kbis kbit kbkb kbkk kbsa kbsb kbsi kbsk kbss kbst kbta kbtb kbtc kbtk kbts kbtt kcaa kcab kcac kcai kcas kcat kcba kcbc kcbi kcbk kcbs kcca kccb kccc kcci kcck kcct kcic kcii kcis kcit kckc kckk kcsa kcsb kcsc kcsi kcss kcst kcta kctb kctc kcti kiab kiac kiai kias kiba kibb kibc kibi kibs kibt kica kicb kicc kick kics kict kiia kiic kiii kiik kiis kiit kika kikc kiki kikk kikt kisa kisc kisi kisk kiss kist kita kitc kiti kits kitt kkaa kkac kkai kkat kkba kkbb kkbi kkbs kkbt kkcb kkci kkck kkcs kkct kkia kkic kkik kkit kkkk kksa kksi kkss kkst kktc kktk kkts ksab ksac ksak ksas ksat ksba ksbc ksbi ksbs ksca kscb ksci ksck kscs ksib ksii ksik ksis ksit kska kskb kskk ksks kssa kssi ksss ksst ksta kstb kstc ksti kstk ksts kstt ktaa ktai ktak ktas ktat ktba ktbb ktbc ktbt ktcc ktck ktcs ktia ktib ktic ktik ktis ktkb ktkc ktkk ktks ktkt ktsa ktsc ktst kttc ktti kttk ktts kttt s-ib s-ic s-ii sa-c saab saac saak saas saat saba sabb sabc sabi sabs saca sacc saci sack sacs sact saia saic saik sais sait saka sakb saki sakk saks sasa sasc sasi sask sass sast sata satb satc sati sats satt sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbct sbia sbic sbsa sbsi sbst sbtc sbtk scaa scab scac scai scak scas scat scba scbi sccc sccs scct sci- scia scic scis scit sck- scsa scsc scsi scst sctc scts siaa siab siac siai siak sias siat siba sibc sibi sibs sica sicc sici sick sics siik siit sika siki siks sisa sisc sisi sisk siss sist sit- sita sitc siti sits sitt skab skac skai skat skia skic skik skis skit skss ssaa ssab ssac ssas ssat ssca sscc ssci sscs ssis ssit sssa sssb sssc sssi ssss ssta sstb sstc ssts stab stac stai stak stas stat stbc stbs stca stcc stcs stia stib stic stik stis stit stks stsi stss sttc taa- taas taat taba tabb tabc tabi tabs taca tacc taci tack tacs tact taia taik tais tait taka taki takk taks takt tasa tasb tasc tasi task tass tast tata tatb tati tats tatt tbas tbbs tbca tbcb tbcc tbit tbst tbta tcbs tcca tccc tctc tcts tiaa tiab tias tiba