-ana -ane -ene -one aaaa aaae aaan aaea aaen aana aane aaoe aaon aaoo aean aena aeon ana- anaa anae anan anao anax anee anen anex anna anne anno ano- anoa anon anox aone aono axan axen axo- axoa axon axxo eana eeea eeee eena enan enea enee eneo enna enne eno- enoe enon eoan eone exa- exan exen exo- exon naaa naan naea nan- nana nane nann nano nean neea neen nena nene neno neo- neon neoo neox nexe nexo nexx nnnn noaa noae non- nona none nonn nono nonx noo- noon nooo noxa o-eo oeax oen- oeno onan one- onea onee oneo onex onna onne onno onon ooaa oona oone oooo oxa- oxan oxea oxen oxna oxo- oxon oxox oxxo xana xano xen- xena xene xenn xeno xeon xexe xnee xoan xoxo xxxo xxxx