-aaa- aabaa aabba aabra aarau aarna aaron abaab ababa ababu abana abann abano abaon abara abarn abaru abban abbar abbou abbur abnub aboab abobo abona abono aboon abora aborn abran abrar abron abrun abuna abura aburn aburr anaba anana anara anaru anaua anaun anban anbar annan annar annua annur anoba anona anono anoon anora anorn anoun anour anura aorun ar-ab arab- araba arabo arana arano arara araru arbab arbar arbon arbor arnan arnar arno- arnon arnor aroab aroar aroba arona aroon aroor arora arran arrau arron arrou arrua aruaa aruba aruna arura aruru aubun aunon aunou aurar auro- auroa auron auror aurra baarn baban babar babau baboo babou babra babur banan banar banau banba banna bannu banon banou banur baoro baraa barab baran barao barar barba barbu barna baro- baroa baron baroo baror barra barro barru barua barun baubo bauno baura bauru bo-bo boann boano boaro boban bobar bobr bonab bonan bonao bonar bonon bonou booba boora boorn booru boran borau borba borbo born- borna borno bornu boro- boroa boron boroo borou borra borro borun bouan bouar bouba bouna boura bourn brana brann braun brobo brona bronn broon brora broun brrar brrrr bruan bruna brunn bruno bruun bubba bubon bunab bunan bunar bunau bunna bunun buona buono buraa buran burao burn- burna buron buroo burra burro burru burun naban nabao nabar nabau nabba naboa nabob naboo nabor nabou nabua nabur nanan nanao nanbu nann- nanna nanno nano- nanoa nanon nanou nanur naour naran narau naroo naror narou narra narro narun narur naura nauru nbaon nnooo no-no nobar noboa nobob nobuo non-u nona- nonan nonar nonna nonno noonu noora norba norbu norna noron norra norro norun nouna noura nu-nu nuabu nubao nubar nubra nunan nunna nunon nunun nuoro nurar nuroa nurra nurun o-bon o-r-b oaror obaba obara obora oboro obrab onano onaon onara onoba onoon onora onorn onour onran ooooo oraba orana oraon orara orban ornan ornon ornua orobo orona orono oroua oruro ouara ouona ouoro ouran ourba ourno ra-ra raaba raaor rabab raban rabba rabon rabor rabou rabun ranau ranna ranno rannu ranon ranua raron rauna rauno rauon ro-ro roana roann robab robar robbo robo- robon robor robun robur ronan ronno rooba rorbu rorra rouba roura ruana ruano rubab ruban rubba rubon rubor rubra runan runo- runon ruran uaroo ubobo unara unaru unban unbar unnao unnau unnun unnur unona unoor unorn unrar unrra unrun unurn uraan uraba uran- urana urano urban urbar uroob urour urrao uruan urubu uuuuu