dddd ddpo dod- dodd dodg dodo dog- dogg dogo dogp dogu dood doop door dopo dopp dopr dord doro dorp dorr doru doud doug doup dour dprg drod drog drop drou drug drup druu dudd dudo dudu dugu duo- dupo durg duro duru duur gdor gggg ggpo godo gogo good goog goop goor gopo gopu gord gorg goro gorp gorr gou- goud goug goup gour gpgp gprd gprp grod grog groo grop gror grou grrr grug grur gudo gudu gugg gugu gurd gurg guro gurr guru oddd odoo odop odor odou odrp odur ogod ogog ogou ogpu ogro oooo oord opo- opor oppo ordo ordu orgo oro- oror orro orup our- ouro ouu- pdpr pgou pgpu pgup pod- podd podo podu pogg pogo pood poop poor pop- popo popp porg poro porr poud poup pour ppod pppd pppo pppp ppru ppur pro- prod prog proo prop prou prpd prrd prud pruu pudo pudu pugo pugu pupu pur- purg puro purp purr puru rodd rodo rogg rogo rood roog roop roor ropo roro roru roud roup rpdp rrrr rudd rudo rudp rugg rupp rurd ruro rurp ruru ruud u-rp udoo udop udpd uggo ugod ugro ugur uguu uor- updo upgo upor uppp uppu upup urdu urgu uro- uroo urpo urup urur uuuu