efther- erupter euterpe feerthe feetper ferrere ferrure ferther fethere freeppp freeter fretter fuehrer furrure further furthur futerer futureu hee-hee herpet- herrere heru-ur hetepet heu-heu hreppur httperf hueffer huetter huppert hurteth pee-pee peepeth peereth peretre pereute perrett pfeffer phuture preferr preffer prepere prepper prerept prerupt preter- pruefer pruter puerper puffeth purpure put-put putteth referee referer refrete refuter reperte repreef reprefe repreue rerefer reteere reterre retrete rettert reuther reutter ruppert rupture ruputer tee-hee teether terere terreer terrere tettete theerpu thefeet thefree thehutu thereef thereup thether threete threeth threeup thrette threuth thruput thureth thurfte thuthur thutter treetee trepett trettre treuthe true-up truther turpeth tut-tut uphuthu upthere ureterp urethr- utterer