-ana a-un aaaa aaab aaac aaan aaba aabb aabc aaca aacb aacc aacn aaco aacu aana aaon aaoo abaa abab abac aban abau abb- abba abbb abbo abca abcb abcc abcn abnu aboa abob abon aboo abou abua abun abza abzu acaa acab acac acan acba acca accc acco accu acoa acon acou acu- acuo ana- anaa anab anac anan anao anau anaz anba anbb anbo anbu anca ancc anco anna annb anno ano- anoa anon anua anub anun anza anzu aoba aoca aonb aono aoun auaa auca auna aza- azab azan azaz azca azna azo- azon azoo azua azza azzo baaa baan baaz baba babb babo babu bac- baca bacc bacn baco bacz bana banc bann bano banu banz baon bau- baza bazo bbau bbbb bcaa bcbc bcca bccc bcnu bcoz bcuc bnoc boab boac boan boaz boba bobb bobo bobu boca boco bocu bona bonc bonn bono bonu boob booc boon booz boua boun boza bozo buba bubb bubo bubu buca bucc buco bucu bucz buna bunb bunn buno bunu bunz buon buuz buza buzz bzou bzzz c-bo caaa caab caac caan caba cabo cabu cac- caca cacc caco cana canc cann cano canz caoz cauc cauo caza cazo cbac cbbc cbca cbcc cbcn cbcu cbna ccaa ccab ccac ccba ccbc ccbn ccca cccb cccc cccu ccna ccnb ccnc ccnu ccob ccoc ccuc cnaa cnac cnbc cnco cnna cnnz coan coba cobb cobo cobu coca coco cocu con- cona conc conn cono coob coon coua coub coun cozz cuan cuau cub- cuba cubb cuca cucc cucn cuna cuno cuon cuzo czon naaa naab naac naan naba nabc nabo nabu naca nacc naco nan- nana nanb nann nano nanu naoc nauo naza nazo nazz nbaa nbbc nbbo nbca nbcc nbco ncaa ncac ncba ncbc ncca nccc nccn nccu ncna ncnc ncoa ncoc ncua nnnn noaa noac noba nobc nobo nobu noco non- nona nonn nono nonu noo- noob noon nooo noun nuan nuba nubc nuca nucu nuna nunc nunn nuno nuoc nuon nzcc oaau oban obba obbo obon ocab ocac ocan ocbc occa occc occn ocna ocon onab onan onc- onca onco onna onno onon onoz onza onzo ooaa ooba oona oooo ouac ouan oucc oun- ouna ouu- ouza ouzo ozan ozna ozon ozun uabc uaca uaoc uaua ubac ubba ubbo uboc ubon ucan ucbc ucca ucon ucoz ucua unaa unac unan unau unca uncc unco unna unno unon unuz uocc uuno uuoc uuuu uzan uzon uzun zaan zaba zabo zabu zaca zana zann zano zaun zaza zazu zoan zobo zoco zon- zona zoo- zoon zouc zoza zozo zozu zubo zubu zunz zuoz zuun zuzu zzzz