a-ak a-ok a-wa aaaa aaab aaac aaba aabb aabc aabw aaca aacb aacc aack aaco aaka aaoo aaow aaww abaa abab abac abaj abak abaw abb- abba abbb abbo abca abcb abcc abcw aboa abob abok aboo abow abwa acaa acab acac acba acca accc acco ackw acoa acow acwa acww ajab ajac ajak ajao ajaw ajba ajka ajob ajoo ajwa akaa akao akca akka akko akok akwa aoba aoca awac awaj awka awoo awow awwa baaa baak baba babb babo bac- baca bacc back baco baja bak- baka bako baw- bawk bbbb bbwc bcaa bcbc bcca bccc bjcc bjoa boab boac boak boba bobb bobo bobw boca bock boco bojo boka boko boob booc book boow bowa bowj bowk bwaa bwoc c-bo caaa caab caac caba cabo cac- caca cacc cack caco cacw caja caka cawk cbac cbbc cbca cbcc cbka cbkj cbko cbwa ccaa ccab ccac ccba ccbc ccca cccb cccc ccjo cckw ccob ccoc ccow cjbc cjbk cjbw cjca cjcb cjcj cjcw cjob cjwc cjww ckac ckbc ckck ckco ckcw ckoa ckob ckoc ckoo ckww coak coba cobb cobo coca cock coco cojo cok- coka coko coob cook cwac jaak jaba jabo jaca jacc jack jaco jaja jaka jako jawa jawb jawo jaww jbaa jbob jcbc jccc jjcc joab joao joba jobo joca jock joco jojo joka jokb jook jowa jowk jowo kaaa kaab kaak kaba kabb kabc kabo kabw kacb kacc kaco kacw kaja kajb kajc kajk kajo kaka kakc kakj kakk kako kaoa kaoc kaok kaow kaw- kawa kawc kawk kawo kaww kbaa kbab kbac kbak kbba kbbb kbbc kbbk kbbo kbbw kbca kbcb kbck kbco kbcw kbja kbjc kbjk kbkb kbkk kbko kbkw kboa kbob kboc kbok kboo kbow kbwa kbwb kbwc kbww kcaa kcab kcac kcaw kcba kcbc kcbk kcbw kcca kccb kccc kcck kcjb kcjc kcjj kcjk kckc kckj kckk kcko kcob kcow kcwa kcwb kcwc kcwj kcwk kjaa kjac kjak kjbb kjcb kjcc kjck kjcw kjjj kjjk kjjo kjkj kjkk kjoc kjoj kjok kjwa kkaa kkac kkaw kkba kkbb kkbj kkbo kkcb kkcj kkck kkco kkcw kkjb kkjk kkkj kkkk kkoa kkob kkoj kkoo kkow kkwb kkwk koab koac koak koba kobb kobc kobk kobo koca kocb kock kocw koja kojb kojo koka kokb kokc kokk koko koob kooc kook kooo kowa kowb kwab kwac kwak kwaw kwbc kwbw kwca kwck kwjb kwjc kwjk kwka kwkb kwkc kwkj kwkk kwkw kwoa kwoc kwok kwow kwwj kwwk obak obba obbo obja obkb obok ocab ocac ocak ocbc occa occc ojak ojok okak okja okka okko okok ooaa ooak ooba oooo owjc owow owwa waaa waac waaj waao waaw waba wabb wabc wabj wabk wabo wabw waca wacb wacc wack waco waja wajb wajc wajj wajk wajo waka wakb wakj wakk wako wakw waob waoc waok waoo waow wawa wawb wawc wawk wawo wbaa wbab wbac wbaj wbak wbbb wbbk wbbo wbbw wbca wbcb wbck wbco wbcw wbjc wbjw wbka wbkb wbkk wbko wbkw wbob wboc wboj wbok wbow wbwb wbwc wbwo wcab wcao wcba wcbc wcbj wcbw wcca wccb wccc wcck wcco wccw wcjc wcjk wcjo wcjw wcka wckb wckk wckw wcoa wcob wcoc wcoj wcok wcoo wcwa wcwb wcwc wcwj wjaa wjab wjac wjak wjaw wjbb wjbc wjbk wjbo wjbw wjcc wjck wjcw wjja wjjc wjjj wjjk wjjo wjjw wjkb wjkc wjkk wjkw wjob wjoc wjoj wjok wjwc wjwj wkaa wkac wkaj wkak wkao wkba wkbc wkbk wkbo wkbw wkca wkcb wkcj wkco wkcw wkja wkjb wkjc wkjk wkjo wkjw wkkb wkkc wkkj wkko wkkw wkoa wkoc wkok wkoo wkow wkwc woaa woab woak woba wobb wobc wobo woca wocb wocc woco wojb wojo woka wokb wokc wokj wokk woko wokw woob wooc wook woow wowb wowc wowo woww wwab wwac wwba wwbb wwbc wwca wwcb wwck wwco wwcw wwjb wwjc wwjk wwjo wwka wwkb wwkc wwoj wwow wwwa wwwc wwwk wwww