a-ii aaaa aaab aaac aaai aaal aaar aaas aaba aabb aabc aabi aabl aabt aaca aacb aacc aaci aacl aacr aacs aact aaib aaic aaii aais aala aalc aali aall aals aara aarc aari aars aart aasa aasc aasi aass aast aata aatc aatt abaa abab abac abai abal abar abas abat abb- abba abbb abbi abbr abbs abbt abca abcb abcc abci abcl abcr abcs abct abia abib abic abil abir abis abit abla abls abra abrc abri abrs abs- absa absi absl abss abta abts ac-t acaa acab acac acai acar acas acat acba acbl acca accc acci accs acct aci- acia acic acir acis acla aclc acli aclr acls acr- acra acrc acri acrr acrs acsa acsc acsi acsl acss acst acta actc acti actl acts actt aiai aias aiba aibl aica aicc aicr aics aiia aiib aiic aiir aila aili ails aira airi airs airt aisa aisb aisi aisl aisr aist aita aiti aitr aits aitt alaa alac alai alal alar alas alat alb- alba albc albi albs alca alcc alcs ali- alia alib alii alil alir alis alit all- alla alli alll allr alls alsa alsc alst alta alti alts arab arac arai aral arar aras arat arba arbi arbs arc- arca arci arcs arct aria arib arii aril aris arit arla arli arr- arra arrc arri arrr arrs arrt ars- arsa arsc arsi arst arta artc arti artr arts asaa asab asac asai asal asar asas asat asba asc- asca ascb ascc asci ascl ascr asct asia asic asii asil asir asis asit asla asli aslr asra asrc asrs assa assc assi assl assr asss asst asta astb astc asti astl astr asts at-l at-t ataa atab atac atai atal atar atas atat atbs atca atcc atcl atcr atcs atia atic atil atis atit atla atli atls atra atrc atri atsb atsc atsi atst atta atti attr atts ba-i baaa baal baar baas baat baba babb babi babr babs bac- baca bacc baci bacs bact baia baib baic bail bair bais bait bala balc bali ball bals balt bar- bara barb barc bari barr bars bart basa basc basi bass bast bata batc bati bats batt bbas bbbb bbbs bbci bblb bbls bbrc bcaa bcar bcas bcat bcbc bcbs bcca bccc bcci bccl bccs bcia bcis bcit bcra bcrs bcsa bcsc bcsl bcss bctc bcts bial biar bias biat biba bibb bibi bibl bibs bica bicc bici bics biis bila bili bill bils bilt bira birb biri birl birr birs birt bis- bisa bisc bisl biss bist bita bitc bits bitt blaa blab blac blas blat blbt blic blir blis blit blls blrc blss blst blts brab brac brai bras brat brca brcb bria bric bril bris brit brls brrr brrs brsb brsr brst brtc bsaa bsac bsas bsat bsci bscs bsic bslc bsra bssc bsts btaa btcc btcl btcs btla btrc btrt btss bttb caaa caab caac caal caas caat caba cabi cabs cac- caca cacc caci cacr caia caib caic cail cair cais cait cala calc cali call cals calt cara carb carc cari carl carr cars cart casa casb casc casi casl casr cass cast cat- cata catb catc cati cats catt cbac cbal cbar cbat cbbc cbbs cbca cbcc cbcl cbcr cbcs cbct cbia cbir cbit cblb cblc cbrl cbrt cbsa cbsc cbsi cbta cbtc cbtl ccaa ccab ccac ccai ccar ccas ccat ccba ccbc ccca cccb cccc ccci cccl cccs ccic ccii ccil ccir ccis ccla cclc ccli ccls ccra ccrc ccri ccrl ccrs ccrt ccsa ccsi ccsl ccss ccst cctb cctc cctl cctt ciaa cial ciar cias ciat ciba cibc cibi cica cicc cici cicr cics cict ciia ciii ciis ciit cila cili cill cils cilt cira cirb circ ciri cirl cirr cirs cirt cis- cisa cisc cisl cisr ciss cist cita citb citi citl cits citt clab clai clar clas clat clib clic clii clir clis clit clra clri clrs clsa clsc cltb cltc clts crab crac crai crar cras crat crbc crca crcc crcr cria crib cric cris crit crls crrt crsa crss crst crtc crtl crts csaa csab csac csar csas csat cscb cscc csci cscl cscr cscs csia csib csir csis csit csla cslr csra csrc csrs cssa cssr csta cstc cstr csts ctab ctal ctba ctbi ctbs ctca ctia ctic ctls ctrc ctrl ctrs ctsa ctsc ctss ctta ctts iaaa iaac iaai iaal iaas iaat iaba iaca iacc iacr iacs iact iaia iais iala iall ials iara iarc iars iart iasa iasc iasi iasr iata iatc iati ibac ibar ibas ibat ibca ibcs ibia ibis ibra ibrc ibri ibsa ibss ibtb ibtc ibtl ibts icaa icab icac icai ical icar icas icat icbc icbs icca iccb iccc icci iccl iccr iccs icct icis icll iclr icra icrc icrr icrs icrt icsa icsb icsc icsi icsr icss icst icta icts iiac iias iica iiii iiis iiit iila iira iirc iirs iisc iisi iisr iist iita iitr iitt ilac ilal ilar ilas ilbc ilca ilia ilic ilir ilis ilit ill- illa illi ills illt ilsa ilts irac irai iral irar iras irca ircc ircs iri- iria iric iril iris irla irlb irra irrc irri irrs irsa irta irti irts is-a isac isai isal isar isas isat isba isbl isbt isca iscc isci iscr iscs isct isia isic isil isis isit isla isls isra isri issa issc issi issr isss ista istc isti istr ists itaa itac itai ital itar itas itat itbs itcs itia itic itil itis itll itra itri itrs itsa itsi itta laaa laac laal laar laas laat laba labi labr labs laca lacc laci lacl lacs lact laia laic lail lair lais lait lala lali lall lara larb larc lari larr lars lart lasa lasi lass last lata latc lati lats latt lbar lbcc lbia lblr lbrs lbrt lbsc lcac lcat lcbc lcca lccc lccs lcia lcis lcls lcra lcrl lcrs lcsc lcsr lctl lcts liac liar lias liat liba libc libr libs lica licr lics lict liia liii liir liis lila