a-a a-b a-c aaa aab aac aak aar aas aau aaw ab- aba abb abc abk abr abs abu abw ac- aca acb acc ack acr acs acu acw aka akb akc akk akr aks aku akw ar- ara arb arc ark arr ars aru arw as- asa asb asc ask asr ass asu asw au- aua aub auc auk aur aus auw aw- awa awb awc awk awr aws awu aww b-u baa bab bac bak bar bas bau baw bba bbb bbc bbk bbr bbs bbu bbw bca bcb bcc bck bcr bcs bcu bka bkb bkc bkk bkr bks bkw bra brb brk brr brs bru brw bsa bsb bsc bsk bsr bss bsu bsw bua bub buc buk bur bus buu buw bwa bwb bwc bwk bwr bws bwu c-- caa cab cac cak car cas cau caw cba cbb cbc cbk cbr cbs cbu cbw cca ccb ccc cck ccr ccs ccu ccw cka ckb ckc cks ckw cra crb crc crk crr crs cru crw csa csb csc csk csr css csu csw cua cub cuc cuk cur cus cuu cuw cw- cwa cwb cwc cwk cwr cws cwu ka- kaa kab kac kak kar kas kau kaw kba kbb kbc kbk kbr kbs kbu kbw kca kcb kcc kck kcr kcs kcu kkb kkc kkk kkr kks kku kra krc krk krr krs kru krw ksa ksb ksc ksk ksr kss ksu ksw kub kuc kuk kur kus kuu kw- kwa kwc kwk kws kww ra- raa rab rac rak rar ras rau raw rba rbb rbc rbk rbr rbs rbu rbw rca rcb rcc rcr rcs rcu rcw rkb rkc rkk rks rku rra rrb rrc rrk rrr rrs rru rsa rsb rsc rsk rsr rss rsu rsw rua rub ruc ruk rur rus ruu rwa rwb rwc rwr rws rwu saa sab sac sak sar sas sau saw sba sbb sbc sbk sbr sbs sbu sbw sca scb scc sck scr scs scu scw sk- ska skb skc skk skr sks sku skw sr- sra srb src srk srr srs srw ss- ssa ssb ssc ssk ssr sss ssu ssw sua sub suc suk sur sus suu suw swa swb swc swk swr sws swu ua- uaa uab uac uak uar uas uau uaw uba ubb ubc ubk ubr ubs ubu ubw uca ucb ucc uck ucr ucs ucu ucw uka ukb ukc ukk ukr uku ur- ura urb urc urk urr urs uru urw usa usb usc usk usr uss usu usw uua uuc uur uus uuu uwa uwb uwc uwr uws uww waa wab wac wak war was wau waw wba wbb wbc wbr wbs wbw wca wcb wcc wck wcr wcs wcu wcw wka wkb wkc wkr wks wkw wr- wra wrc wrk wrr wrs wru wrw wsa wsb wsc wsk wsr wss wsu wsw wua wub wuc wur wus wwa wwc wwu www

a-ak a-wa aaaa aaab aaac aaar aaas aaba aabb aabc aabw aaca aacb aacc aack aacr aacs aacu aaka aaku aara aarc aars aaru aasa aasc aass aasu aaus aauw aaww abaa abab abac abak abar abas abau abaw abb- abba abbb abbr abbs abca abcb abcc abcr abcs abcw abra abrc abrs abs- absa abss absu absw abua abuk abus abwa abwr abwu acaa acab acac acar acas acba acca accc accs accu acks ackw acr- acra acrc acrr acrs acsa acsc acss acsw acu- acur acus acwa acww akaa akar akas akca akka akku akr- akra aksa aksu akua akwa arab arac arak arar aras arau araw arba arbs arc- arca arcs arka arks arr- arra arrc arrk arrr arrs arru ars- arsa arsc arsk arsu arua arub arwa asaa asab asac asak asar asas asau asba asbu asc- asca ascb ascc ascr ascw aska askr asks asra asrc asrs asru assa assc assk assr asss assu asub asur asus asuw auaa auca auks aur- aura ausa ausu auwa awac awar awas awka awsk awss awwa awws baaa baak baar baas baba babb babr babs babu bac- baca bacc back bacs bak- baka bakr baks baku bar- bara barb barc bark barr bars baru basa basc bask bass basu bau- bauk baur baw- bawk baws bawu bbas bbau bbbb bbbs bbrc bbwc bbwr bbws bcaa bcar bcas bcbc bcbs bcca bccc bccs bcra bcrs bcru bcsa bcsc bcss bcuc brab brac brak bras brau braw brca brcb brcw brka brkb brrr brrs brsb brsr bruc brus bsaa bsac bsas bsaw bscs bsra bssc buar buba bubb bubs bubu buca bucc buck bucs bucu buka bukk buku bur- bura burb burk burr burs buru busa busc busk buss busu buus buwa bwaa caaa caab caac caas caba cabs cabu cac- caca cacc cack cacr cacw caka cara carb carc cark carr cars casa casb casc cask casr cass casu cauc cauk caus cawk caws cawu cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbcu cbka cbkr cbsa cbsc cbus cbwa ccaa ccab ccac ccar ccas ccba ccbc ccca cccb cccc cccs cccu cckw ccra ccrc ccrs ccsa ccss ccuc ccus ckac ckbc ckck ckcs ckcw ckrc ckrw cksa cksb cksw ckwr ckws ckww crab crac crar cras crau craw crbc crbu crca crcc crcr crkc crsa crss crub cruk crus csaa csab csac csak csar csas cscb cscc cscr cscs cska csks csra csrc csrs cssa cssr csua csur csus cswk csws cuau cub- cuba cubb cubs cuca cucc cuck cuk- cuka cura curb curr curs cusa cusb cusk cuss cusu cuws cwac cwrw kaaa kaab kaak kaar kaas kaba kabb kabc kabr kabu kabw kacb kacc kacs kacu kacw kaka kakc kakk kaks kaku kara karb kark karr kars karu karw kas- kasa kasb kasc kask kasr kass kasu kasw kau- kaub kauc kauk kaur kaus kaw- kawa kawc kawk kaws kaww kbaa kbab kbac kbak kbar kbas kbba kbbb kbbc kbbk kbbr kbbs kbbu kbbw kbca kbcb kbck kbcr kbcs kbcu kbcw kbkb kbkk kbkr kbkw kbra kbrb kbrc kbrk kbru