-ene -hou -one bbbb bbch bbeb bcbc bccc bcec bche bcnu bcuc bebb bebe bebo bech becu beeb been behn bene benn beno benu beo- beon bhcc bhuu bnoc bobb bobe bobo bobu boce boch boco bocu boec boee boen boeo bohn boho bohu bonc bone bonn bono bonu boob booc booe booh boon boue bouh boun bubb bube bubo bubu bucc buce buch buco bucu buen bueu buhe buho bunb bune bunn buno bunu buon c-bo cbbc cbcc cbce cbcn cbcu cbec cbee ccbc ccbn cccb cccc cccu ccee cche ccnb ccnc ccne ccnu ccob ccoc ccuc cebu cec- cece ceco ceeb ceec cen- cene ceno ceou chce chch cheb chec chee cheh chen cheu chnb chnc chno choc choh chon choo chou chub chun cnbc cnco cnoh cobb cobe cobh cobo cobu coce coch coco cocu coen cohn coho con- conc cone conn cono coob cooh coon coub coue coun cub- cubb cube cucc cuce cucn cune cuno cuon ebbc ebbo ebcc eben ebno eboe ebon eboo ecbc ecbe eccb eccc ecce ecco eche echo ecne eco- econ ecou eeee eeoc ehcc eheh ehen eheu enb- enbn ence ench enco enee eneo ennc enne ennu eno- enoc enoe enon enue eone eubc euch hboc hcbc hccb hccc hcch hebb hebe hebo hech heeb hehe hehn heho hene henh henn heno henu heou heue heun hhhh hnce hobe hobo hoce hoch hocn hoen hohe hohn hoho hone hono honu hooe hoon houe hubb hube hubo huch hucu huhn huhu hunc hune hunh huon huub nbbc nbbo nbcc nbco ncbc nccc nccn nccu ncec ncee ncen nchc ncnc ncoc ncue nebb nebe nebn nebo nebu necc nece nech neco neeb neen nehe nehu nene nenh neno nenu neo- neoc neon neoo neuc neue neun neuo neuu nhcc nheb nhnn nhon nnnn nobc nobo nobu noce noch noco nohn noho non- none nonn nono nonu noo- noob noon nooo nouh noun nubc nube nuce nuch nucu nuee nunc nune nunn nuno nuoc nuon o-eo obbo obec oben oboe obon obuh ocbc occc occn oce ocee oche ocon oec- oecc oeec oen- oeno ohbe ohcc ohee ohen ohho ohne ohno ohob ohoh onc- once onco one- oneb onec onee oneh oneo onne onno onon onue oobe ooho oone oooh oooo oucc ouch ouen oun- oune ouu- ubbe ubbo uboc ubon ucbc uche ucho ucon ueno uhno uhoh uhuh unbe uncc unce unch unco uneb unec unee unen unne unno unon uocc uone uuen uuno uuoc uuuu