PROGANOSAUR

aa ag an ar as go na no nu on op or os pa so un up us

aas aga ago ags ana apo ars asp gan gap gar gas gnu goa goo gor gos gun nag nap nog noo nor nos nus oar ono ons ops ora ors our pan par pas poo pro pug pun pur pus rag ran rap ras rug run sag sap sau son sop sou spa sun sup uns upo ups urn urp

agar agas agon anas anga anoa ansa anus apos aura gaps gars gasp gaun gaur gnar gnus goas goon goop goos gorp gran guan guar guns nags naos napa naps nogs nous oars onos onus oops opus orra osar ours pang pans para parr pars pong pons poon poor poos porn pour prao prau proa prog pros pugs puna pung puns purr purs raga rags rang raps rasp roan roar roup ruga rugs rung runs saga sago sang snag snap snog snug soap soar song soon sora sorn soup sour span spar spun spur sung sura upas upon urns urps ursa