eeeee eeens eense eepee eevee eeves eevns enese ennes epeen epees epene eppes esene esens esnes espen espns essen esses esspn essse even- evene evens evese eveve n-p-n neeps neese neeve nenes neppe nesen nesse neven neves nevve nsess nsnps p-n-p peene peens peeps peese peeve pene- penes penev penne penns pense pepee pepes peppe pesen peses pesse seene seens seeps seese seeve senen senes senne sense sepen seses sesse seven snees snepe sneps snese sneve speen spees spene spens sssss svene svens veeps veeve venee venes venev venne vepen vepse vesen veses vesse