-hou -ing bbbb bbin bbng bbrg bgon bgun bhir bhog bhoi bhor bhur bhuu bibb bibi bibo bigb bigg bign bigo bigu bihi bihu biin bin- bing binh bini binn bino binu bio- biog bioi bion biou birb birg biri birn biro birr biru bnib bnin bnor bnrr bobb bobi bobo bobu bogg bogh bogi bogo bohn boho bohr bohu boi- boii boin boiu bong boni bonn bono bonu boob boog booh boon boor bor- borg borh bori born boro borr boru bouh boun bour brig brih brin brio brno brob brog broh bron broo bror brou brrr brug bruh brun bubb bubi bubo bubu bugg bugh bugi bugo buhi buho buhr buin buir buiu bunb bung buni bunn buno bunu buon bur- burb burg burh buri burn buro burr buru gbbo gbon gggg gghg ggrn ghib ghoi ghon ghug gibb gibh gigg gigi gign gigo ging gini ginn gino ginu giog gioi gion girg giri girn giro girr giru giur gnib gnin gnoo gnrr gobi gobo gogh gogi gogo gohb goin gon- gong goni gonn gono gonu goog gooi goon goor gorb gorg gori gorn goro gorr gou- goug goun gour grbr grib grig grin grni grob grog groh groi gron groo gror grou grrr grub grug grui grun grur gubb gubi gubu gugb gugg gugh gugi gugu guhr guib guin gung gunn gurb gurg gurh guri gurn guro gurr guru h-ii hbio hhgg hhhh hibi hibu high higi hihi hiho hiiu hing hinn hino hiob hiri hirn hiro hiru hnoi hobo hogg hogh hogi hogo hogu hohn hoho hoir hong honi hono honu hoon hoor horg hori horn horo horr hour hrib hrng hrob hron hrun hubb hubi hubo hugg hugh hugi hugo huhi huhn huhu huib huir hung hunh huni huon huor huri hurn huro hurr huru huub i-go i-no ibon ibri ibro igbo igni igno ignu igon igoo igor igri ihob ihub ihug ihuo iiii iiio iino iioi iioo inbo ingo inig inni inno innr innu ino- inoi inon inor inou inri inro inui inun iobi ioii ioio ioni ionn iono iooi iooo iorg iori ioug ioun iri- irig irin irio irob iroh iron irri irun iuiu iuno n-ii nbbo ngio ngon ngor ngou ngri ngur nguu nhnn nhon nibi nibo nigg nigh nigo niir niiu ning ninh nini nino niog nioh nion nioo niou niro niru niur nngn nnnn nobi nobo nobu nogg nogh nogo nohn noho noib noin noio noir non- nong noni nonn nono nonu noo- noob noon nooo noor nor- norb norg nori norn noro norr nouh noun nour nron nubi nuhi nuin nung nunn nuno nuon nuri nurn nurr nuru obbo obin oboi obon obor obrh obri obro obuh ogb oggi oghi ogin ogni ogog ogoi ogon ogou ogri ogro ogui ogun ohgr ohhi ohho ohio ohno ohob ohoh ohrn oigo oiii oion ongi ongo ongu onir onni onno onon onor onur oobi ooho oooh oooo orbb orbi orbo orbu orgn orgo ori- orig orin orio orni orno oro- oron oror orri orro orub ough ouii ouin ouir oun- oung our- ourn ouro ouu- rbbb rbbr rbgh rboh rgbi rhbg rhib rhin rhio rhob rhog rhoh rhon rhug rhun rib- ribo ribu rigg righ rigi rigo rigu riho riin ring rinn rino rion riou riri rnbr rnin rob- robb robi robo robu rogg rogh rogi rogo rohn rohr rohu roig roin roio roir roiu rong roni rono roob roog rooi roon roor rori roro roru roub rouh roun rrrr rrun rubb rubi rubu rugg rugh rugi ruhh ruhi ruhn ruhr ruin rung runi runn runo ruri ruro ruru ruun ubbi ubbo ubii ubir ubon uggo ughi ugni ugri ugro ugur uguu uhno uhoh uhuh uirr ungo ungu uni- unii unin unio unir unni unno unon unro uor- urbi urgh urgi urgu urho urib urin uriu urni uro- uroo urrh urri urun urur uuni uuno uuri uuuu