VERTIBLENESS

be bi el en er es et in is it li ne re si ti

bee bel ben bes bet bin bis bit eel els ens ere ern ers ess eve ins ire its lee lei les let lev lib lie lin lis lit neb nee net nib nil nit reb ree rei res ret rev rib rin see sei sel sen ser set sib sin sir sis sit sri tee tel ten tie til tin tis vee vet vie vis

been beer bees beet bels belt bene bens bent best bets bier bile bine bins bint birl bise bite bits blet blin bree bren brie brin bris brit eels else erne erns erst eses esne even ever eves evil ires isle leer lees leet leis lens lent less lest lets libs lien lier lies line lins lint lire list lite lits live nebs ness nest nets neve nevi nibs nils nite nits rebs reel rees rein reis rent rest rete rets revs ribs riel rile rins rise rite rive seel seen seer sees seis sels sene sent sere sers sets sibs silt sine sins sire sirs site sits slit snib snit sris stir teel teen tees tele tels tens tern tier ties tile tils tine tins tire tirl tree tres veer vees veil vein vent verb vert vest vets vibe vier vies vile vine virl vise