PREOBSERVING

be bi bo en er es go in is ne no oe oi on op or os pe pi re si so

bee beg ben bes big bin bio bis bog bop bos bro brr ego eng ens eon ere erg ern err ers eve gee gen gib gie gin gip gob gor gos ins ion ire neb nee neg nib nip nob nog nor nos obe obi oes one ons ope ops orb ore ors ose pee peg pen per pes pie pig pin pis poi pro psi reb ree reg rei rep res rev rib rig rin rip rob roe see seg sei sen ser sib sin sip sir sob son sop sri vee veg vie vig vis voe

been beep beer bees begs bene bens berg bier bigs bine bins biog bios biro birr bise bogs bone bong bops bore born bree bren brie brig brin brio bris bros ebon eger egis egos engs eons epos ergo ergs erne erns eros errs esne even ever eves gees gene gens gibe gibs gien gies gins gips girn giro give gobs goer goes gone gore gorp gree grin grip inro ions ires iron nebs neep negs neve nevi nibs nips nobs noes nogs noir nope nori nose obes obis ogee ogre ones open opes orbs ores oven over peen peer pees pegs pein pens peon pere peri perv peso pier pies pigs pine ping pins pion pirn piso pois pone pong pons pore porn pose pree prig prog pros rebs rees regs rein reis repo reps revs ribs rigs ring rins ripe rips rise rive robe robs roes rope rose rove seen seep seer sego sene sere sign sine sing sipe sire snib snip snob snog sone song sorb sore sori sorn spin spiv veep veer vees vein verb vibe vier vies vigs vine vino vise voes