-ene -hou -one bbbb bbeb bebb bebe bebo beeb been behn bene benn beno benu beo- beon bevo bhuu bobb bobe bobo bobu boee boen boeo bohn boho bohu bone bonn bono bonu boob booe booh boon boue bouh boun bove bovo bubb bube bubo bubu buen bueu buhe buho bunb bune bunn buno bunu buon buve ebbo eben ebno eboe ebon eboo eeee eevn eheh ehen eheu en-v enb- enbn enee eneo enne ennu eno- enoe enon enue eone even evoe evon evoo hebb hebe hebo heeb hehe hehn heho hene henh henn heno henu heou heue heun heve hevn hhhh hobe hobo hoen hohe hohn hoho hone hono honu hooe hoon houe hove hubb hube hubo huhn huhu hune hunh huon huub huve nbbo nebb nebe nebn nebo nebu neeb neen neev nehe nehu nene nenh neno nenu neo- neon neoo neue neun neuo neuu neve nevo nheb nhnn nhon nnnn nobo nobu nohn noho non- none nonn nono nonu noo- noob noon nooo noov nouh noun nov- nove novo nube nuee nune nunn nuno nuon nuvo o-eo obbo oben oboe obon obuh oen- oeno ohbe ohee ohen ohho ohne ohno ohob ohoh one- oneb onee oneh oneo onne onno onon onue oobe ooho oone oooh oooo ouen oun- oune ouu- ovee oven ovo- ovon ovoo ubbe ubbo ubon ueno uhno uhoh uhuh unbe uneb unee unen unne unno unon unov uone uovo uuen uuno uuuu uv-b uven uvvu veen veho ven- vene venn veno venu veoh veve vevo vhhh voeu voho vohu vone vonn voue vouh voun vuen vuno vvob vvvv