-ene -one eeee eero eheh ehen eher ehre enee eneo ener enne eno- enoe enon eone eore er-x eren erer erne erno eroe eron eroo erre erro exen exer exh- exo- exon exor exrx heer hehe hehn heho hene henh henn heno heor here hern hero herr hex- hexe hhex hhhh hoen hoer hohe hohn hoho hone hono hooe hoon hoor hoox hore horn horo horr hree hron neen neer nehe nene nenh neno neo- neon neoo neox nere nero nerr nexe nexo nexx nhnn nhon nnnn noer nohn noho non- none nonn nono nonx noo- noon nooo noor nor- nore norn noro norr nren nron o-eo oen- oeno oere ohee ohen oher ohho ohne ohno ohoh ohre ohrn one- onee oneh oneo oner onex onne onno onon onor ooer ooho oone oooh oooo oore ore- oreh oren oreo orer orex orhe orne orno oro- oroe oron oror orro oxen oxer oxo- oxon oxox oxxo reen rehe rehn rene renn reno rere rero rexx rhee rhen rheo rhex rhoh rhon roen roer rohe rohn rohr rone rono roon roor roox rore roro roxo rrrr xeer xen- xene xenn xeno xeon xer- xero xexe xnee xorn xoro xoxo xxxo xxxx