bhogi bhooi bhour bibbo bibio bibri big-i bigig bigoo bihor bihou bipib birgi birgu birou birur bo-bo bo-ho bobbi bobr bobri bobup bogor bogu bogur bohor bohri boigh boiro booru borbo borgh borgo borgu borio boro- boroo borou borro borup bough bourg bouri brigg brigi briou brobo brogh brrrr brugg brugh bruiu bruri bugoo buoho burgh burgi burgo burgu burio buroo burri burro burru ggobi ghori ghour ghubb ghuri gibbi gibi- giour gippi gippo girih girru giubo go-go go-oo go-op gobbi gobbo gobhi gobig gobio gobir gogoi gogro gogui gohir gohog gohor gohur goibo goobi goobo goooh gopro gorgo gorir goruh gough grgur grhpr grigg griph grogg groop gropp group grrrr grubb gruiu gubbi gubbo gubio gubru guggi gugir guipp guiri guiro gurgi guroo gurro gurur h-bio h-iib hbogo hhhhh hhour hi-hi hibhi hibob hibor hibri hibur higgi highb higig higor hipo- hipop hipp- hippi hippo hiroi hiroo hirur ho-ho ho-oh hobor hobro hobub hoigh hoori hoppo hopup horii horio horro horru horup hou-i hough houir houri hu-go hubur huggo huhuh huobi hurri hurup huuru ibbur ibibo ibogo iggri ighiu igigi iiiii ioooi ioooo iorio ipour ipubi irobo irori irour irupi o-r-b obhor oboro oghur ogiri ogogo ogugu oguri oh-oh ohiou ohour ohrio ohrob ooioo ooooh ooooo ophi- ophio ophir ophur opihi opio- opir opobo opoho oribi origi origo orobo oropi orrgo oruro ouigo ouihi ouir- ouoro phhir phiph phiri phob- phobi phpbb phrop phugh pibor pigou piiri pippi pippo pipri pirgu pirho pirog pirou pirri pirro pirui piuri piuro piuru po-po poggi pohio poipu poopo poori popoi popop poppi poppo popup porgo poro- porog poroi porri porro porur pough priob prior probo progg proor prop- propp propr pubo- puggi pugio puhoi puppo pupri purio puro- puugi puuri ribbi ribo- ribup rig-i righi rigio rigor rigup ripio ripup rirpu ro-ro robbi robbo robo- robop robor robur rogho rogoi rohob rohri rohru roohi rorbu rough rprop rubbi rubio rubor rubup rughh rugii rugir ruhub ruiru u-pop ubirr ubobo ugro- ugrug uh-oh uh-uh uhhoh uhhuh uhuru uigur uiro uroob uropi urour urphi urubu ururi uuuuu