-er -up eee eep eer eew ep- epe epp epr epu epw ere erp err eru erw eu- eue eup eur ewe ewp ewr ewu eww p-p pee pep per peu pew ppe ppp ppr ppu ppw pre prp prr pru prw pue pup pur puu pwe pwp pwr pwu re- ree rep rer reu rew rpe rpp rpr rpu rpw rrp rrr rru rue rup rur ruu rwe rwr rwu uee uep uer uew up- upe upp upr upu upw ur- ure urp urr uru urw uue uur uuu uwe uwp uwr uww wee wep wer wew wpe wpp wpr wpu wr- wre wrp wrr wru wrw wue wup wur wwe wwp wwu www