a-a a-b a-c aaa aab aac aak aan aar aas aaw ab- aba abb abc abk abn abr abs abw ac- aca acb acc ack acn acr acs acw aka akb akc akk akn akr aks akw an- ana anb anc ank ann anr ans ar- ara arb arc ark arn arr ars arw as- asa asb asc ask asn asr ass asw aw- awa awb awc awk awn awr aws aww baa bab bac bak ban bar bas baw bba bbb bbc bbk bbn bbr bbs bbw bca bcb bcc bck bcn bcr bcs bka bkb bkc bkk bkn bkr bks bkw bna bnb bnc bnk bnn bnr bns bnw bra brb brk brn brr brs brw bsa bsb bsc bsk bsn bsr bss bsw bwa bwb bwc bwk bwr bws c-- caa cab cac cak can car cas caw cba cbb cbc cbk cbn cbr cbs cbw cca ccb ccc cck ccn ccr ccs ccw cka ckb ckc cks ckw cn- cna cnb cnc cnn cnr cns cnw cra crb crc crk crn crr crs crw csa csb csc csk csn csr css csw cw- cwa cwb cwc cwk cwn cwr cws ka- kaa kab kac kak kan kar kas kaw kba kbb kbc kbk kbn kbr kbs kbw kca kcb kcc kck kcn kcr kcs kkb kkc kkk kkn kkr kks kn- kna knc knk knn knr kra krc krk krn krr krs krw ksa ksb ksc ksk ksn ksr kss ksw kw- kwa kwc kwk kws kww naa nab nac nak nan nar nas naw nba nbb nbc nbk nbn nbr nbs nbw nca ncb ncc nck ncn ncr ncs ncw nka nkc nkk nkn nkr nks nna nnb nnc nnk nnn nns nnw nra nrb nrc nrk nrn nrr nrs nrw nsa nsb nsc nsk nsn nsr nss nsw nwa nwb nwc nwn nwr nws ra- raa rab rac rak ran rar ras raw rba rbb rbc rbk rbn rbr rbs rbw rca rcb rcc rcn rcr rcs rcw rkb rkc rkk rks rna rnb rnc rnn rnr rns rnw rra rrb rrc rrk rrn rrr rrs rsa rsb rsc rsk rsn rsr rss rsw rwa rwb rwc rwr rws saa sab sac sak san sar sas saw sba sbb sbc sbk sbn sbr sbs sbw sca scb scc sck scn scr scs scw sk- ska skb skc skk skr sks skw sna snb snc snk snn snr sns snw sr- sra srb src srk srn srr srs srw ss- ssa ssb ssc ssk ssn ssr sss ssw swa swb swc swk swn swr sws waa wab wac wak wan war was waw wba wbb wbc wbn wbr wbs wbw wca wcb wcc wck wcn wcr wcs wcw wka wkb wkc wkr wks wkw wn- wna wnc wnn wns wnw wr- wra wrc wrk wrn wrr wrs wrw wsa wsb wsc wsk wsn wsr wss wsw wwa wwc wwn www

-ana a-ak a-wa aaaa aaab aaac aaan aaar aaas aaba aabb aabc aabw aaca aacb aacc aack aacn aacr aacs aaka aana aara aarc aars aasa aasc aass aaww abaa abab abac abak aban abar abas abaw abb- abba abbb abbr abbs abca abcb abcc abcn abcr abcs abcw abra abrc abrs abs- absa abss absw abwa abwr acaa acab acac acan acar acas acba acca accc accs acks ackw acr- acra acrc acrr acrs acsa acsc acss acsw acwa acww akaa akan akar akas akca akka akna akr- akra aksa akwa ana- anaa anab anac anak anan anar anas anba anbb anca ancc ank- anka anna annb anns anrc ansa anwr arab arac arak aran arar aras araw arba arbs arc- arca arcs arka arks arna arnk arns arr- arra arrc arrk arrr arrs ars- arsa arsc arsk arwa asaa asab asac asak asan asar asas asba asc- asca ascb ascc ascr ascw aska askr asks asnc asra asrc asrs assa assc assk assn assr asss awac awan awar awas awka awns awsk awss awwa awws baaa baak baan baar baas baba babb babr babs bac- baca bacc back bacn bacs bak- baka bakr baks bana banc bank bann banr bans bar- bara barb barc bark barn barr bars basa basc bask bass baw- bawk bawn baws bbas bbbb bbbs bbrc bbwc bbwr bbws bcaa bcar bcas bcbc bcbs bcca bccc bccs bcra bcrs bcsa bcsc bcsn bcss bnas bnrr bnss brab brac brak bran bras braw brca brcb brcw brka brkb brna brns brrr brrs brsb brsr bsaa bsac bsas bsaw bscs bsns bsra bssc bwaa bwan caaa caab caac caan caas caba cabs cac- caca cacc cack cacr cacw caka cana canc cank cann cans cara carb carc cark carn carr cars casa casb casc cask casr cass cawk caws cbac cbar cbbc cbbs cbca cbcc cbcn cbcr cbcs cbka cbkn cbkr cbna cbrn cbsa cbsc cbsn cbwa ccaa ccab ccac ccar ccas ccba ccbc ccbn ccca cccb cccc cccs cckw ccna ccnb ccnc ccnr ccns ccra ccrc ccrs ccsa ccsn ccss ckac ckan ckbc ckck ckcs ckcw cknb cknc ckns cknw ckrc ckrw cksa cksb cksw ckwr ckws ckww cnaa cnac cnas cnbc cnna cnrc cnrr cnsa cnss crab crac cran crar cras craw crbc crca crcc crcr crkc crna crns crsa crss csaa csab csac csak csar csas cscb cscc cscr cscs cska csks csra csrc csrs cssa cssr cswk csws cwac cwrw kaaa kaab kaak kaan kaar kaas kaba kabb kabc kabr kabw kacb kacc kacs kacw kaka kakc kakk kakn kaks kana kanb kann kans kanw kara karb kark karn karr kars karw kas- kasa kasb kasc kask kasn kasr kass kasw kaw- kawa kawc kawk kawn kaws kaww kbaa kbab kbac kbak kbar kbas kbba kbbb kbbc kbbk kbbr kbbs kbbw kbca kbcb kbck kbcr kbcs kbcw kbkb kbkk kbkr kbkw kbna kbnn kbnr kbnw kbra kbrb kbrc kbrk kbrn kbrw kbsa kbsb kbsk kbsn kbsr kbss kbsw kbwa kbwb kbwc kbww kcaa kcab kcac kcar kcas kcaw kcba kcbc kcbk kcbr kcbs kcbw kcca kccb kccc