-ene -one bbbb bbdd bbdo bbeb bcbc bccc bcde bcec bcnu bcuc bdbc bddc bebb bebe bebo becu bede bedo bedu beeb beed been bend bene benn beno benu beo- beod beon bnoc bobb bobe bobo bobu boce boco bocu bodb bode bodo bodu boec boee boen boeo bonc bond bone bonn bono bonu boob booc bood booe boon boud boue boun bubb bube bubo bubu bucc buce buco bucu budb budd bude budo budu buen bueu bunb bund bune bunn buno bunu buon c-bo c-cd cbbc cbcc cbce cbcn cbcu cbdb cbdc cbdn cbdo cbec cbee cbnd ccbc ccbn cccb cccc cccu ccdc ccdn cced ccee ccnb ccnc ccne ccnu ccob ccoc ccod ccuc cd-e cddb cdec cdnb cdnc cdon cebu cec- cece ceco cedd cede cedo cedu ceeb ceec cen- cend cene ceno ceou cnbc cnco cndd cobb cobe cobo cobu coce coco cocu codd code coed coen con- conc cond cone conn cono coob cood coon coub coud coue coun cub- cubb cube cucc cuce cucn cude cued cund cune cuno cuon d-bo dbcc dcbc dccb dccc dccu dcdb dcon dddd ddoc ddub debe debu dec- decc decd dece deco dedd dede dedo dedu deeb deed deen dene denn deno denu deon deue dnce dnoc dobb dobe dobu doce doco docu dod- dodd dode dodo doen donc dond done donn dono doob dood doon doub douc doud doue doun dub- dubb dubc dube dubu duce duco dudd dude dudo dudu dunc dune dunn duno duo- duon ebbc ebbo ebcc ebed eben ebno eboe ebon eboo ecbc ecbe eccb eccc ecce ecco ecdc eced ecne eco- ecod econ ecou eddc edde eddo ede- eden edno edoc edod edon edou educ edun eede eedu eeee eend eeoc enb- enbn ence enco end- ende endo endu ened enee eneo ennc enne ennu eno- enoc enoe enon enue eocd eode eone eubc eucd eude nbbc nbbo nbcc nbco ncbc nccc nccn nccu ncdc ncdn ncdu ncec nced ncee ncen ncnc ncnd ncoc ncue ndcc nddb ndde nddo ndoc nebb nebe nebn nebo nebu necc nece neco nedc nedd nede nedo nedu neeb need neen nend nene neno nenu neo- neoc neod neon neoo neuc neue neun neuo neuu nndb nnnn nobc nobo nobu noce noco node nodo nodu noed non- none nonn nono nonu noo- noob noon nooo noun nubc nube nuce nucu nudc nudd nude nudo nuee nunc nune nunn nuno nuoc nuon o-eo obbo obec obed oben oboe obon ocbc occc occn oce oced ocee ocon odbo oddd oded oden odeo odnb odon odoo odou oec- oecc oedn oedo oeec oen- oeno onc- oncd once onco onde ondo one- oneb onec oned onee oneo onne onno onod onon onue oobe oone oooo oucc oudc oude oued ouen oun- ound oune ouu- ubbe ubbo uboc ubod ubon ubud ucbc ucdc ucdd ucon udbc uden udon udoo udun uend ueno unbd unbe uncc unce unco unde undo uneb unec uned unee unen unne unno unon uocc uone uuen uuno uuoc uuuu