bgwgl bholu bhool bhour bloor blorb blow- blurb blurr bo-bo bo-ho bobr bogor bogu bogur bohol bohor bolho boll- bollo bollu bolow booru borbo borgh borgo borgu boro- boroo borou borow borro borul bough boul- boulo bourg bowow brlog brloh brobo brogh brohl broll brolo brool brrrr brugg brugh bruhl brull bugol bugoo bulb- bull- bulou bulow bulul buoho burgh burgo burgu burol buroo burow burro burru bwool g-log ggulu ghoul ghour ghubb globo glogg glogh gloor glour glowr glubb go-go go-lo go-oo gobbo gogol gogro gogul gohl gohog gohor gohur golbo gollu golob golog golol golow golub golug golwg goobo goooh gorgl gorgo gorlo goruh gough gourl grgur grogg grohl groll groul growl grrrl grrrr grubb gubbo gubru gugul gulo- gulou gulow guroo gurro gurur gwolu hbogo hhhhh hhour ho-ho ho-oh hobol hobor hobro hobub hohol holbr holgh hollo holo- holor holou holub holul horol horow horro horru hough howgh howru hu-go hubur huggo huglo huhuh hullo huolu hurll hurow huuru lbowo lobbo lobo- lobor logo- logol lohho lohur lollo lolol loobu lough louro lowgh lubow lubur lugol lulul luogu lurgg o-r-b obhor oblog obolo oboow oboro obowo obrow oghur ogogo ogugu oh-oh ohhow ohour ohrob ohwow ollur olour ooooh ooooo orgul orhow orlow orobo orolu orrgo orrow oruro oullo ouoro ourol ro-ro robbo robo- robor robur rogho rogow rohob rohru rollo rorbu rough roull rowgh rubor rughh ruhub rullo ubobo uglow ugro- ugrug uh-oh uh-uh uhhoh uhhuh uhowo uhuru ullur ulowo ululu uluru uroob urour urowo urubu uuuuu wholl whool whoor whorl whorr whouh whowl whrrl whurl whurr wlouh worow wough wowow wu-hu wwwww