-ana a-ii aaaa aaab aaac aaai aaan aaas aaba aabb aabc aabi aabt aaca aacb aacc aaci aacn aacs aact aaib aaic aaii aain aais aana aani aasa aasc aasi aass aast aata aatc aatt abaa abab abac abai aban abas abat abb- abba abbb abbi abbs abbt abca abcb abcc abci abcn abcs abct abia abib abic abin abis abit abs- absa absi abss abta abts ac-t acaa acab acac acai acan acas acat acba acca accc acci accs acct aci- acia acic acin acis acsa acsc acsi acss acst acta actc acti acts actt aiai aian aias aiba aibn aica aicc aics aiia aiib aiic aiin aina ainc aini ains aint aisa aisb aisi aist aita aiti aits aitt ana- anaa anab anac anai anan anas anat anba anbb anbi anca ancc anct ania anib anic anin anis anit anna annb anni anns annt ansa ansi ant- anta anti ants antt asaa asab asac asai asan asas asat asba asc- asca ascb ascc asci asct asia asic asii asin asis asit asnc asni assa assc assi assn asss asst asta astb astc asti asts at-t ataa atab atac atai atan atas atat atbs atca atcc atcs atia atic atin atis atit atna atns atsb atsc atsi atst atta atti attn atts ba-i baaa baan baas baat baba babb babi babs bac- baca bacc baci bacn bacs bact baia baib baic bain bais bait bana banc bani bann bans bant basa basc basi bass bast bata batc bati batn bats batt bbas bbbb bbbs bbci bbin bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcia bcis bcit bcsa bcsc bcsn bcss bctc bcts bian bias biat biba bibb bibi bibs bica bicc bici bics biin biis bin- bina binc bini binn bins bint bis- bisa bisc biss bist bita bitc bits bitt bnai bnas bnib bnin bnss bnta bsaa bsac bsas bsat bsci bscs bsic bsin bsns bssc bsts btaa btan btcc btcs btss bttb caaa caab caac caan caas caat caba cabi cabs cac- caca cacc caci caia caib caic cain cais cait cana canc cani cann cans cant casa casb casc casi cass cast cat- cata catb catc cati cats catt cbac cbat cbbc cbbs cbca cbcc cbcn cbcs cbct cbia cbit cbna cbsa cbsc cbsi cbsn cbta cbtc ccaa ccab ccac ccai ccas ccat ccba ccbc ccbn ccca cccb cccc ccci cccs ccic ccii ccis ccna ccnb ccnc ccni ccns ccsa ccsi ccsn ccss ccst cctb cctc cctt ciaa cian cias ciat ciba cibc cibi cica cicc cici cics cict ciia ciii ciis ciit cin- cina cinc cini cint cis- cisa cisc cisn ciss cist cita citb citi cits citt cnaa cnac cnas cnbc cnci cnib cnic cnna cnsa cnss cnta cntc csaa csab csac csas csat cscb cscc csci cscs csia csib csis csit cssa csta cstc csts ctab ctan ctba ctbi ctbs ctca ctia ctic ctns ctsa ctsc ctsn ctss ctta cttn ctts iaaa iaac iaai iaas iaat iaba iaca iacc iacs iact iaia iain iais iana ians iasa iasc iasi iata iatc iati ibac iban ibas ibat ibca ibcs ibia ibis ibns ibsa ibsn ibss ibtb ibtc ibts icaa icab icac icai ican icas icat icbc icbs icca iccb iccc icci iccn iccs icct icis icnb icnc icns icsa icsb icsc icsi icss icst icta icts iiac iias iica iiii iiis iiit iisc iisi iist iita iitt inab inac inai inan inas inat inba inca incb inci incs inia inis init inna inni inns insa insc inss inst inta inti intn ints is-a isac isai isan isas isat isba isbn isbt isca iscc isci iscn iscs isct isia isic isin isis isit isna isnt issa issc issi isss ista istc isti ists itaa itac itai itan itas itat itbs itcs itia itic itin itis itsa itsi itta n-ii naaa naab naac naai naan naas naat naba nabc nabi nabs naca nacc naci nacs naia naib naic nain nais nait nan- nana nanb nani nann nans nant nas- nasa nasb nasc nasi nass nast nata natc nati nats natt nbaa nbas nbbc nbca nbcc nbci nbcs nbia nbic nbti ncaa ncac ncat ncba ncbc ncbi ncbs ncca nccc ncci nccn nccs ncct ncia ncis ncit ncna ncnc ncsa ncsc ncsi ncss ncst ncta nctc niab niac nian nias nibi nibs nica nicc nici nics niia niit nina nini nins nisa nisi niss nist nita nitb nitc niti nits nnit nnnn nnsa nnss nntn nsaa nsac nsai nsca nscc nscs nsic nsin nsis nsna nssa nssb nssc nsss nstc nsts ntbc ntcc ntia ntis ntsb ntsc ntss s-ib s-ic s-ii sa-c saab saac saan saas saat saba sabb sabc sabi sabs saca sacc saci sacn sacs sact saia saic sain sais sait sana sani sann sans sant sasa sasc sasi sass sast sata satb satc sati satn sats satt sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbct sbia sbic sbsa sbsi sbst sbtc sbtn scaa scab scac scai scan scas scat scba scbi sccc sccs scct sci- scia scic scin scis scit scna scnt scsa scsc scsi scsn scst sctc sctn scts siaa siab siac siai sian sias siat siba sibc sibi sibs sica sicc sici sics siit sina sini sinn sins sint sisa sisc sisi siss sist sit- sita sitc siti sitn sits sitt snab snas snat snba snca sncc snia snib snit snns ssaa ssab ssac ssan ssas ssat ssbn ssca sscc ssci sscs ssin ssis ssit ssns sssa sssb sssc sssi ssss ssta sstb sstc ssts stab stac stai stan stas stat stbc stbs stca stcc stcs stia stib stic stis stit stnn stns stsi stss sttc taa- taan taas taat taba tabb tabc tabi tabs taca tacc taci tacs tact taia tain tais tait tana tani tann tans tant tasa tasb tasc tasi tass tast tata tatb tati tats tatt tbas tbbs tbca tbcb tbcc tbit tbst tbta tcbs tcca tccc tcnn tctc tcts tiaa tiab tian tias tiba tibi tibs tica ticc tics tiit tina tinc tini tinn