-ana a-ak aaaa aaab aaac aaad aaan aaar aaas aaba aabb aabc aabd aabt aaca aacb aacc aacd aack aacn aacr aacs aact aada aadc aads aadt aaka aana aand aara aarc aard aars aart aasa aasc aasd aass aast aata aatc aatk aatt abaa abab abac abad abak aban abar abas abat abb- abba abbb abbr abbs abbt abca abcb abcc abcd abcn abcr abcs abct abda abra abrc abrs abs- absa absd abss abta abts ac-t acaa acab acac acad acan acar acas acat acba acca accc accd accs acct acda acdb acdc acds acdt ackd acks acr- acra acrc acrr acrs acsa acsc acsd acss acst acta actc acts actt adaa adab adac adad adak adan adar adas adat adba adbc adcc adcs adda addc addd addn addr adds adna adns adra adrs adsa adsr adss adst adta adts akaa akan akar akas akca akdn akka akna akr- akra aksa akst ana- anaa anab anac anad anak anan anar anas anat anba anbb anca ancc anct and- anda andr ands andt ank- anka anna annb anns annt anrc ansa ansd ant- anta antr ants antt arab arac arad arak aran arar aras arat arba arbs arc- arca arcs arct arda ardc ards arka arks arna arnd arnk arns arnt arr- arra arrc arrk arrr arrs arrt ars- arsa arsc arsd arsk arst arta artc artr arts asaa asab asac asad asak asan asar asas asat asba asc- asca ascb ascc ascr asct asda asds aska askr asks askt asnc asra asrc asrs assa assc assd assk assn assr asss asst asta astb astc astr asts at-t ataa atab atac atad atak atan atar atas atat atbs atca atcc atck atcr atcs atdt atka atkt atna atns atra atrc atrk atrn atsb atsc atst atta attn attr atts baaa baad baak baan baar baas baat baba babb babr babs bac- baca bacc back bacn bacs bact bada badb badd badr bads bak- baka bakr baks bakt bana banc band bank bann banr bans bant bar- bara barb barc bard bark barn barr bars bart basa basc bask bass bast bata batc batn bats batt bbad bbas bbbb bbbs bbdd bbrc bcaa bcar bcas bcat bcbc bcbs bcca bccc bccs bcda bcds bcra bcrs bcsa bcsc bcsn bcss bctc bcts bd-r bdbc bddc bdna bdsd bnas bnrr bnss bnta brab brac brad brak bran bras brat brca brcb brda brds brdt brka brkb brna brns brrr brrs brsb brsr brst brtc bsaa bsac bsas bsat bsbd bscs bskt bsnd bsns bsra bsrd bssc bssd bsts btaa btan btcc btcs btdt btrc btrt btss bttb c-cd caaa caab caac caan caas caat caba cabs cac- caca cacc cack cacr cada cadc cadd cadr cads caka cana canc cand cank cann cans cant cara carb carc card cark carn carr cars cart casa casb casc casd cask casr cass cast cat- cata catb catc catd cats catt cbac cbar cbat cbbc cbbs cbca cbcc cbcn cbcr cbcs cbct cbdb cbdc cbdn cbds cbka cbkn cbkr cbna cbnd cbrd cbrn cbrt cbsa cbsc cbsn cbta cbtc ccaa ccab ccac ccad ccar ccas ccat ccba ccbc ccbn ccca cccb cccc cccs ccdc ccdn ccdr ccds ccna ccnb ccnc ccnr ccns ccra ccrc ccrs ccrt ccsa ccsd ccsn ccss ccst cctb cctc cctt cd-r cdaa cdac cdad cdba cdcs cdda cddb cddr cdna cdnb cdnc cdrs cdss ckac ckan ckat ckbc ckck ckcs cknb cknc ckns cknt ckrc ckrd cksa cksb ckst cktb ckts cnaa cnac cnas cnbc cnda cndd cnna cnrc cnrr cnrt cnsa cnss cnta cntc cntk cntr crab crac cran crar cras crat crbc crca crcc crcr crda crdc crkc crna crns crrt crsa crss crst crtc crts csaa csab csac csak csar csas csat cscb cscc cscd cscr cscs csda csdb csdn csdr cska csks csra csrc csrd csrs cssa cssd cssr csta cstc cstd cstr csts ctab ctan ctba ctbs ctca ctns ctrc ctrn ctrs ctsa ctsc ctsn ctss ctta cttn ctts d-na daab daad daan daar daas daba dabb dabs dabt daca dacs dact dada dads daka daks dana dand dank dann danr dans dant dara darb darc dard dark darn darr dars dart dasa dasb dasc dasd dask dass dast data datr dats datt dbar dbas dbcc dbcs dbrn dbrs dbsa dbss dbtt dcas dcbc dcca dccb dccc dccs dcct dcdb dcds dcns dcra dcrk dcsc dcss dctc dcts dddd ddrc ddss ddts dkba dkdc dnaa dnab dnac dnad dnan dnas dnat dncs dnrc dnsa dnsc dntt draa drab drac drad drak drar dras drat drba drbc drca drda drna drra drrs drsa dsac dsba dsbc dscc dscn dscr dscs dsda dsdr dsrc dsrr dssa dssc dssn dsst dstc dstn dsts dtaa dtac dtcc dtna dtnb dtss kaaa kaab kaak kaan kaar kaas kaat kaba kabb kabc kabd kabr kacb kacc kacd kacs kact kad- kada kadd kadr kads kadt kaka kakc kakk kakn kaks kakt kana kanb kand kann kans kant kara karb kard kark karn karr kars kart kas- kasa kasb kasc kask kasn kasr kass kast kat- kata katb katc katd katk katn katr kats katt kbaa kbab kbac kbad kbak kbar kbas kbat kbba kbbb kbbc kbbd kbbk kbbr kbbs kbbt kbca kbcb kbck kbcr kbcs kbct kbdb kbdn kbdr kbds kbkb kbkk kbkr kbna kbnd kbnn kbnr kbra kbrb kbrc kbrd kbrk kbrn kbrt kbsa kbsb kbsk kbsn kbsr kbss kbst kbta kbtb kbtc kbtk kbtn kbtr kbts kbtt kcaa kcab kcac kcad kcar kcas kcat kcba kcbc kcbd kcbk kcbr kcbs kcca kccb kccc kccd kcck kccr kcct kcda kcdc kcdd kcdr kcds kckc kckk kckn kckr kcnb kcnd kcnr kcns kcnt kcrc kcrn kcrr kcrs kcrt kcsa kcsb kcsc kcsd kcsn kcsr kcss kcst kcta kctb kctc kctn kdaa kdab kdac kdad kdak kdar kdat kdbb kdbn kdbr kdbs kdca kdcc kdcd kdcr kddb kddc kddd kddk kddr kdka kdkb kdkd kdkk kdkn kdkr kdkt kdna kdnd kdnk kdnn kdnr kdns kdrb kdrs kdsc kdsd kdsk kdsn kdsr kdss kdst