dddd ddpo dfrf dod- dodd dodg dodo doff dog- dogg dogo dogp dogu dood doof doop door dopo dopp dopr dord dorf doro dorp dorr doru doud douf doug doup dour dprg drod drof drog drop drou drug drup druu dudd dudo dudu duff dufu dugu duo- dupo durg duro duru duur ffff ffrr fofo fogg fogo food foof fopp for- ford forg foro forr foud foug foup four fprf frog frop frou frpd frug fudd fuff fufu fugo fugu fuor fur- furg furo furr gdfr gdor gfor ggfg gggg ggpo godo goff gofr gofu gogo good goof goog goop goor gopo gopu gord gorf gorg goro gorp gorr gou- goud gouf goug goup gour gpdf gpgp gprd gprp grod grof grog groo grop gror grou grrr gruf grug grur gudo gudu guff gugg gugu gurd gurg guro gurr guru oddd odoo odop odor odou odrp odur ofdr off- offo offr offu ofgo ofor ogfr ogod ogog ogou ogpu ogro ooff oooo oord opo- opor oppo ordo ordu orff orfu orgo oro- orof oror orro orup ouff our- ouro ouu- pdpr pfff pffr pgou pgpu pgup pod- podd podo podu poff pogg pogo pood poof poop poor pop- popo popp porg poro porr poud pouf poup pour ppod pppd pppo pppp pprf ppru ppur pro- prod prof prog proo prop prou prpd prrd prud pruf pruu pudo pudu puff pugo pugu pupu pur- purg puro purp purr puru rodd rodo roff rofo rogg rogo rood roof roog roop roor ropo roro roru roud rouf roup rpdp rpof rrrr rudd rudo rudp ruff rufo rugg rupp rurd ruro rurp ruru ruud u-rp udoo udop udpd uggo ugod ugro ugur uguu uofg uofo uor- updf updo upgo upor uppp uppu upup urdu urff urgu uro- uroo urpo urup urur uuuu