dddd ddly ddry dpll dpyd drup druu dry- dudd dudu dull dulu duly duru dury duul duur duyl duyr dydd dyll dyr- dyru dyur dyyr lddp ldry lldp llll llud llyr lppl lprp lrdd lrpu lrrr lrry ludd lull lulu lupu lurd lury luup lydd lyly pdpr plpp plud plup plur plyd pppd pppp ppru ppur prlr prpd prrd prud pruu pudu pull pulp pulu puly pupl pupu pupy pur- purl purp purr puru pury puy- pyl- pyll pypy pyr- pyrl pyry rpdp rrrr rudd rudl rudp rudy rull ruly rupp rupy rurd rurp ruru ruud ruyd ruyl rydy u-rp udpd ullr ully ulul uppp uppu uppy upup urdu urdy urry urup urur uulu uuuu ydul yrly yudu yulu yurd yury yuyu yyyy