a-a a-b a-c aaa aab aac aak aao aar aau aaw ab- aba abb abc abk abo abr abu abw ac- aca acb acc ack aco acr acu acw aka akb akc akk ako akr aku akw aoa aob aoc aok aoo aor aou aow ar- ara arb arc ark aro arr aru arw au- aua aub auc auk auo aur auw aw- awa awb awc awk awo awr awu aww b-u baa bab bac bak bao bar bau baw bba bbb bbc bbk bbo bbr bbu bbw bca bcb bcc bck bco bcr bcu bka bkb bkc bkk bko bkr bkw boa bob boc bok boo bor bou bow bra brb brk bro brr bru brw bua bub buc buk buo bur buu buw bwa bwb bwc bwk bwo bwr bwu c-- caa cab cac cak cao car cau caw cba cbb cbc cbk cbo cbr cbu cbw cca ccb ccc cck cco ccr ccu ccw cka ckb ckc cko ckw co- coa cob coc cok coo cor cou cow cra crb crc crk cro crr cru crw cua cub cuc cuk cuo cur cuu cuw cw- cwa cwb cwc cwk cwo cwr cwu ka- kaa kab kac kak kao kar kau kaw kba kbb kbc kbk kbo kbr kbu kbw kca kcb kcc kck kcr kcu kkb kkc kkk kkr kku koa kob koc kok koo kor kou kow kra krc krk kro krr kru krw kub kuc kuk kur kuu kw- kwa kwc kwk kwo kww oaa oab oac oak oao oar oau oaw ob- oba obb obc obk obo obr obu obw oc- oca ocb occ ock oco ocr ocu ocw oka okb okc okk oko okr oku okw oo- ooa oob ooc ook ooo oor oow or- ora orb orc ork oro orr oru ou- oua ouc ouk ouo our owa owb owc owk owo owu oww ra- raa rab rac rak rao rar rau raw rba rbb rbc rbk rbo rbr rbu rbw rca rcb rcc rco rcr rcu rcw rkb rkc rkk rko rku roa rob roc rok roo ror rou row rra rrb rrc rrk rrr rru rua rub ruc ruk ruo rur ruu rwa rwb rwc rwr rwu ua- uaa uab uac uak uao uar uau uaw uba ubb ubc ubk ubo ubr ubu ubw uca ucb ucc uck uco ucr ucu ucw uka ukb ukc ukk ukr uku uoa uob uoc uok uoo uor uow ur- ura urb urc urk uro urr uru urw uua uuc uur uuu uwa uwb uwc uwr uww waa wab wac wak wao war wau waw wba wbb wbc wbo wbr wbw wca wcb wcc wck wco wcr wcu wcw wka wkb wkc wko wkr wkw woa wob woc wok woo wor wou wow wr- wra wrc wrk wro wrr wru wrw wua wub wuc wuo wur wwa wwc wwo wwu www

a-ak a-ok a-wa aaaa aaab aaac aaar aaba aabb aabc aabw aaca aacb aacc aack aaco aacr aacu aaka aaku aaoo aaow aara aarc aaro aaru aauw aaww abaa abab abac abak abar abau abaw abb- abba abbb abbo abbr abca abcb abcc abcr abcw aboa abob abok aboo abor abou abow abra abrc abro abua abuk abwa abwr abwu acaa acab acac acar acba acca accc acco accu ackw acoa acor acou acow acr- acra acrc acro acrr acu- acuo acur acwa acww akaa akao akar akca akka akko akku akok akr- akra akua akwa aoba aoca aora aorb arab arac arak arar arau araw arba arc- arca arco arka arko aroa arob aroo aror arow arr- arra arrc arrk arro arrr arru arua arub arwa auaa auca aur- aura auro auwa awac awar awka awoo awow awro awwa baaa baak baar baba babb babo babr babu bac- baca bacc back baco bak- baka bako bakr baku bar- bara barb barc bark baro barr baru bau- bauk baur baw- bawk bawu bbau bbbb bbrc bbwc bbwr bcaa bcar bcbc bcca bccc bcor bcra bcru bcuc boab boac boak boar boba bobb bobo bobu bobw boca bock boco bocu boka boko boku boob booc book boor boow bor- bora bork boro borr boru borw boua bouk bour bouw bowa bowk bowr brab brac brak brao brau braw brca brcb brcw brka brkb broa brob broc brok broo bror brou brow brrr bruc buar buba bubb bubo bubu buca bucc buck buco bucu buka bukk buko buku bur- bura burb burk buro burr buru buwa bwaa bwoc c-bo caaa caab caac caba cabo cabu cac- caca cacc cack caco cacr cacw caka caor cara carb carc cark caro carr cauc cauk cauo cawk cawu cbac cbar cbbc cbca cbcc cbcr cbcu cbka cbko cbkr cbwa ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccu cckw ccob ccoc ccow ccra ccrc ccuc ckac ckbc ckck ckco ckcw ckoa ckob ckoc ckoo ckor ckrc ckrw ckwr ckww coak coba cobb cobo cobu coca cock coco cocu cok- coka coko coob cook cor- cora corb corc cork coro corr coua coub couk cour crab crac crar crau craw crbc crbu crca crcc crcr crkc crob croc crok croo cror crow crub cruk cuau cub- cuba cubb cuca cucc cuck cuk- cuka cura curb curo curr cwac cwrw kaaa kaab kaak kaar kaba kabb kabc kabo kabr kabu kabw kacb kacc kaco kacu kacw kaka kakc kakk kako kaku kaoa kaoc kaok kaor kaow kara karb kark karo karr karu karw kau- kaub kauc kauk kauo kaur kaw- kawa kawc kawk kawo kaww kbaa kbab kbac kbak kbar kbba kbbb kbbc kbbk kbbo kbbr kbbu kbbw kbca kbcb kbck kbco kbcr kbcu kbcw kbkb kbkk kbko kbkr kbkw kboa kbob kboc kbok kboo kbow kbra kbrb kbrc kbrk kbro kbru kbrw kbua kbub kbuc kbuk kbur kbuu kbuw kbwa kbwb kbwc kbww kcaa kcab kcac kcar kcau kcaw kcba kcbc kcbk kcbr kcbu kcbw kcca kccb kccc kcck kccr kccu kckc kckk kcko kckr kcob kcor kcou kcow kcrc kcro kcrr kcru kcrw kcua kcub kcuk kcwa