bbuss blubs bplus bssgp btstu bulb- bulbs bull- bulls bulul bulus bulut bussu busts busut busuu butts butut ggulu glubb glubs glugs glut- gluts glutt gtlst gtplt gtspp gtsss gugul gulls gulps gusts gustu lugus lulls lulul lulus lupsu lupul lupus lusts lusus lutsu plugg plugs plupp plut- pssst pssts pull- pulls pullu pulps pults pulut putt- putts puttu putup s-bus s-gps slsts slubs slugs sluss sluts spult sputs spuul ss-gb ssbul ssgts sssss stubs stull stulp stult stupp stups stuss subbu subss subst suggs sugus sugut sulls sulus sulut supls suppl supps supts suput susus suttu tbsps tbtbt tbutt tppts tsgts tstlt ttttt ttusb tubbs tubul tulls tulus tutus ululu upput ustup usutu utsul uuuuu