-ana -ane -ene -one a-be aaaa aaab aaae aaan aaba aabb aaea aaen aana aane aaoe aaon aaoo abaa abab abae aban abax abb- abba abbb abbe abbo abee aben aboa abob abon aboo abox aean aebn aena aeon ana- anaa anab anae anan anao anax anba anbb anbo anee anen anex anna annb anne anno ano- anoa anon anox aoba aonb aone aono axan axen axo- axoa axon axxo ba-x baaa baan baba babb babe babo bana bane bann bano baon bbbb bbeb bbox bean beba bebb bebe bebo beeb been bena bene benn beno beo- beon boab boan boba bobb bobe bobo boea boee boen boeo bona bone bonn bono boob booe boon boox boxa eaba eana eban ebba ebbo eben ebno eboe ebon eboo ebox eeea eeee eena enab enan enb- enbn enea enee eneo enna enne eno- enoe enon eoan eone exa- exan exen exo- exon naaa naab naan naba nabe nabo naea nan- nana nanb nane nann nano nbaa nbbo neab nean neba nebb nebe nebn nebo neea neeb neen nena nene neno neo- neon neoo neox nexe nexo nexx nnnn noaa noae noba nobo non- nona none nonn nono nonx noo- noob noon nooo noxa o-eo oban obba obbo obea oben obex oboe obon obox oeax oen- oeno onab onan one- onea oneb onee oneo onex onna onne onno onon ooaa ooba oobe oona oone oooo oxa- oxan oxea oxen oxna oxo- oxon oxox oxxo xana xano xbee xbox xen- xena xene xenn xeno xeon xexe xnee xoan xoxo xxxo xxxx