-ene -one -yne eeee eeng eeny egee egge eggo eggy egne egnx ego- egon egyo enee eneg eneo eney enge engg engo enne enny eno- enoe enon enoy enye enyo eone exen exge exo- exon exxy eyen eyey eyne geen gege gegg gego gen- gene geng genn geno genx geny geo- geog geon geox geyn gggg gnoo goen gogo gon- gone gong gonn gono gony goog goon goye gyge gyn- gyne gyng gyno neen nege nego nene neng neno neo- neon neoo neox nexe nexo nexx neye neyg neyn neyo ngen ngon nngn nnnn nogg nogo non- none nong nonn nono nonx noo- noon nooo noye noyo nyen nyne nyny nyon o-eo oen- oeno oeye oeyo ogee ogen ogge oggy ogog ogon one- onee oneg oneo onex oney onge ongo onne onno onon onoy onyx oone oooo oxen oxo- oxon oxox oxxo oxy- oxyn oyee oyen oyne oyon xen- xene xenn xeno xeon xexe xnee xong xoxo xoyo xxxo xxxx xxxy xyne yeen yegg yego yene yeng yeon yeox yeye yeyo ygoe ygon ynge ynne ynon yoen yogo yone yong yono yoon yoxe yoye yoyn yoyo yyyy