c-p-c ccccc ceene ceese cence cenpn cense cepes cesce cesen cesse cnnnn cpesc csnps e-cps eccen ecspp eeeee eeens eence eense eepee ences enese ennes epeen epees epene eppes esces esene esens esnes espec espen espns essen esses esspn essse n-p-n neece neeps neese nenes neppe nesen nesse nsecs nsess nsnps nspcc p-n-p peces peece peene peens peeps peese pence pene- penes penne penns pense pepee pepes peppe pesce pesen peses pesse scene scnce seece seene seens seeps seese sence senec senen senes senne sense sepen sesce seses sesse snees snepe sneps snese specc spece specs speen spees spene spens sssss