e-ten eeeee eenet eepee eeten enent enete ennet enpeu enten entex epeen epene etete etext etten eunet eupen exene exept extue exute n-p-n neetu nente neppe nepte neten netex netne nette neuen neueu neune nexen nextt ntete nu-nu nunet nunun nupen nutte nuttx p-n-p peene peent peete pene- penex penne pent- pente pentu penup pepee peppe pept- pepup pette petun pptnt puett punee punne punte pupet puppe puten putt- putte puttu putun putup t-nut teepe teeup tenen tenet teneu tenex tenne tennu tenpn tente tenue tenup tepee tepet tepeu teppu tepun teten tetex tette texte tntnt ttnet ttttt tuene tune- tunne tupee tutee tutte tutun tuxen unete unnet unnun unnut unpen unpeu unput unten upeet upenn uppen upput utenn uunet uuuuu xetex xexeu xexex xtext xtune xunpu