a-a a-b a-c aaa aab aac aak aan aao ab- aba abb abc abk abn abo ac- aca acb acc ack acn aco aka akb akc akk akn ako an- ana anb anc ank ann ano aoa aob aoc aok aon aoo baa bab bac bak ban bao bba bbb bbc bbk bbn bbo bca bcb bcc bck bcn bco bka bkb bkc bkk bkn bko bna bnb bnc bnk bnn bno boa bob boc bok bon boo c-- caa cab cac cak can cao cba cbb cbc cbk cbn cbo cca ccb ccc cck ccn cco cka ckb ckc cko cn- cna cnb cnc cnn cno co- coa cob coc cok con coo ka- kaa kab kac kak kan kao kba kbb kbc kbk kbn kbo kca kcb kcc kck kcn kkb kkc kkk kkn kn- kna knc knk knn kno koa kob koc kok kon koo naa nab nac nak nan nao nba nbb nbc nbk nbn nbo nca ncb ncc nck ncn nco nka nkc nkk nkn nko nna nnb nnc nnk nnn nno no- noa nob noc nok non noo oaa oab oac oak oan oao ob- oba obb obc obk obn obo oc- oca ocb occ ock ocn oco oka okb okc okk oko on- ona onb onc onk onn ono oo- ooa oob ooc ook oon ooo

-ana a-ak a-ok aaaa aaab aaac aaan aaba aabb aabc aaca aacb aacc aack aacn aaco aaka aana aaon aaoo abaa abab abac abak aban abb- abba abbb abbo abca abcb abcc abcn aboa abob abok abon aboo acaa acab acac acan acba acca accc acco acoa acon akaa akan akao akca akka akko akna akok akon ana- anaa anab anac anak anan anao anba anbb anbo anca ancc anco ank- anka anko anna annb anno ano- anoa anon aoba aoca aonb aono baaa baak baan baba babb babo bac- baca bacc back bacn baco bak- baka bako bana banc bank bann bano baon bbbb bcaa bcbc bcca bccc bnoc boab boac boak boan boba bobb bobo boca bock boco boka bokn boko bona bonc bonk bonn bono boob booc book boon c-bo caaa caab caac caan caba cabo cac- caca cacc cack caco caka cana canc cank cann cano cbac cbbc cbca cbcc cbcn cbka cbkn cbko cbna ccaa ccab ccac ccba ccbc ccbn ccca cccb cccc ccna ccnb ccnc ccob ccoc ckac ckan ckbc ckck ckco cknb cknc ckoa ckob ckoc ckoo cnaa cnac cnbc cnco cnna coak coan coba cobb cobo coca cock coco cok- coka coko con- cona conc conk conn cono coob cook coon kaaa kaab kaak kaan kaba kabb kabc kabo kacb kacc kaco kaka kakc kakk kakn kako kana kanb kann kano kaoa kaoc kaok kaon kbaa kbab kbac kbak kbba kbbb kbbc kbbk kbbo kbca kbcb kbck kbco kbkb kbkk kbko kbna kbnn kbno kboa kbob kboc kbok kbon kboo kcaa kcab kcac kcba kcbc kcbk kcca kccb kccc kcck kckc kckk kckn kcko kcnb kcno kcob kcon kkaa kkac kkan kkba kkbb kkbn kkbo kkcb kkck kkcn kkco kkkk kknb kknn kkno kkoa kkob kkon kkoo knaa knab knac knan knba knbb knbc knbn knca kncb knck kncn knco knkk knnb knnk knob knoc knok knon koab koac koak koan koba kobb kobc kobk kobn kobo koca kocb kock kocn koka kokb kokc kokk kokn koko kona konc konk kono koob kooc kook koon kooo naaa naab naac naan naba nabc nabk nabo naca nacc nack naco naka nako nan- nana nanb nann nano naoc nbaa nbak nbbc nbbo nbca nbcc nbco ncaa ncac ncba ncbc ncca nccc nccn ncna ncnc ncoa ncoc nkok nnnn noaa noac noak noba nobc nobo nock noco noko non- nona nonn nono noo- noob nook noon nooo obak oban obba obbo obkb obok obon ocab ocac ocak ocan ocbc occa occc occn ocna ocon okak okan okka okko okna okno okok okon onab onan onc- onca onco onna onno onon ooaa ooak ooba oona oooo

-aaa- aaaoc aabaa aabba aacbc aakko abaab ababa abaca aback abaco abaka abako abana abanc abank abann abano abaon abbac abban abcan abccc abkoo abnak aboab abobo abona abono abook aboon acaca acacb acack acana acock acook akaba akabo akana akaoa akban akobo akoka akoko akona akono anaba anack anaco anaka anana anban ancon ankaa annan anoak anoba anoka anona anono anoon babak baban babka baboo bacab bacao bacca bacco back- backa backn bacon bakan bakka bakoa bakon banak banan banba banca banck banco banka banna banon bbook bcock bo-bo boaco boann boano bobac bobak boban bobko boboc bobok bocac bocao bocca bocka bocna bocoa bocon bokaa bokko bokok bonab bonan bonao bonka bonon booba boock booco booko boonk c-a-c ca-ca caaan caaba caano caban cabob caboc cabok cabon cacak cacao caco- cacoa canan canao canna canoa canon canoo caoba ccccc cnnnn co-bo co-co coana coban cocao cocc- cocco cocka cocoa cocon cokak cokk- conan conca conck conco conna cono- conob conon cooba k-a-o kaaba kabaa kabab kabak kaban kabba kabob kakan kakao kakka kakko kako- kakon kanab kanak kanka kanna kanno kanon kanoo kaona kaooa kbank knack knock knokk ko-ko koban kocab kocak kocon kokab kokak kokan kokka kokko kokna konak konan konka konna konno kooba kooka koona naaak naban nabao nabba naboa nabob naboo nacaa nacac nacba naccc nacka nacna nakao nakba nakoo nanak nanan nanao nanka nann- nanna nanno nano- nanoa nanoc nanon naoko nbaon nkana nnooo no-no noank noboa nobob nocab nocan nokko nokon nona- nonac nonan nonka nonna nonno o-bon obaba obock ocana okaka okano okkan okobo okoc onabc onaka onano onaon onco- onnbc onoba onoon ooooo

a-noon aaaaba abaana abacab abakan abanca abbana abnoba aboona ackack aka-bo akbaba akbank akkaba akokan anaana anabaa anakao ananab ananko ancona annaba annona baabaa babaco babana babbon baboon bacaba baccon backon bakoca banaba banabo banana banbao bankon bannan bannon banoka baobab bbbbbb boabab boback bocana boccob bococa bocock bocono bonano bonbon bonnac bonobo booboo c-anca caanoo cabaan caback cabana cabano cabban cabbon cabook caccao cacoon