bdoor bgold bholu bhood bhool bhour bhrrd blood bloor blorb blurb blurr bo-bo bo-ho bobr bodd- bodog bodor bogor bogu bogud bogur bohol bohor boldo boldu bolho boll- bollo bollu boodh boold boord booru borbo bordo borgh borgo borgu boro- borod boroo borou borro borul boudh boudu bough boul- bould boulo bourd bourg brlog brloh brobo brodd brodo brogh brohl broll brolo brood brool broud brrrr brud- brugg brugh bruhl brull buddh buddu budur bugol bugoo bulb- bull- bulou bulul buoho buord burgh burgo burgu burol buroo burro burru burud d-rod ddddd dhobb dholl dhool dhrol dhubb dhuhr do-do do-ol dobro dodol dodoo dodro dogbo doggo doglu dohol dohul dollo dollu dolor doodo doogh dorog dorud dough doull douro drbob drobo drog- drogh drogo droll drood droog drool droug drouh droul drugu dub-l dubbo dubul duddo dudou dullu duruh g-log ggulu ghoul ghour ghubb globo glodu glogg glogh glood gloor glour glubb go-go go-lo go-oo gobbo goddo godor gogol gogro gogul gohl gohog gohor gohur golbo gollu golob golod golog golol golub golug goobo goodg goodo goold goooh goord gordo gorgl gorgo gorlo gorod goruh gough gould gourd gourl grddl grgur grodd grogg grohl groll grood groud groul grrrl grrrr grubb gubbo gubru guddu gudur gugul gulo- gulou guroo gurro gurur hbogo hhhhh hhour hlddr ho-ho ho-oh hobol hobor hobro hobub hoddu hodhr hodod hodur hohol holbr holgh hollo holo- holor holou holub holul hoold hoord horod horol horro horru hough hould hourd hu-go hubur hudud hudul hudur huggo huglo huhuh hullo huolu hurll huuru lobbo lobo- lobor loddo lodro logo- logol lohho lohur lollo lolol loobu loord lough lourd louro lubur luddu lugol lulul luogu lurgg o-dog o-r-b obhor oblog obodo obolo oboro obudu oddur odolo odoul odour odudu oduro oghur ogogo ogugu oh-oh ohgod ohour ohrob olgod ollur olord olour ooooh ooooo ordro orgul orobo orodo orold orolu orrgo oruro oullo ouoro ourol rdllr rhod- rhodo ro-ro robbo robo- robor robur rodbo rodl rodor rogho rohob rohod rohru rollo roodu rorbu rough roull rubor rughh ruhub rullo u-dub u-god ubobo udol udoll ugro- ugrug uh-oh uh-uh uhdoh uhhoh uhhuh uhuru ullur ululu uluru urdog uroob urour urubu uuuuu