dddd ddpo dmop dmpu dod- dodd dodo domm domo domp dood doom doop door dopo dopp dopr dord dorm doro dorp dorr doru doud doum doup dour dpmo drod drom drop drou drum drup druu dudd dudo dudu dumm dump duo- dupo duqm duqu duro duru duur mddm mdmp mdop mdpp mdud mmmd mmmm mmod mmor mmpr mmpu mmrp modd modo modu momo momu mood moop moor mopp mord moro moru moud moup mour mppp mpro mprp mqup mrdd mrmd mrud mudd mudu mumm mumo mump mumu murd muro murr muru oddd odmr odom odoo odop odor odou odrp odum odur omo- omoo omor omro omuo oooo oord opo- opor oppo opqr ordo ordu ormo oro- orom oror orro orum orup our- ouro ouu- pdmu pdpr pmmp pmmu pmpm pmpo pod- podd podo podu pomo pomp pomu pood poop poor pop- popo popp poro porr poud poum poup pour ppod pppd pppo pppp pprm ppru ppur pro- prod prom proo prop prou prpd prrd prrm prud prum pruu pudo pudu pump pupu pur- puro purp purr puru qdpr qdro qmmp qmrp qomo qoop qpod qqqq quod quom quop quor qurd qurm quro quu- rmrp rodd rodo romd romm romo romp rood room roop roor ropo roro roru roud roum roup rpdp rrmp rrrr rrum rudd rudo rudp rumm rumo rump rupp rurd ruro rurp ruru ruud u-rp udoo udop udpd ummo umor uomo uor- updm updo upor uppp uppu upup urdu uro- urom uroo urpo urum urup uruq urur uuuu