-hou -ing bbbb bbfn bbin bbng bbrg bfgf bgon bgun bhff bhir bhog bhoi bhor bhur bhuu bibb bibi bibo biff bifi 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 boff bofh bofu bogg bogh bogi bogo bohn boho bohr bohu boi- boii boin boiu bong boni bonn bono bonu boob boof boog booh boon boor bor- borf borg borh bori born boro borr boru bouf bouh boun bour brfu brig brih brin brio brno brob brog broh bron broo bror brou brrr brug bruh brun bubb bubi bubo bubu buff bufo bufr bugg bugh bugi bugo buhi buho buhr buif buin buir buiu bunb bung buni bunn buno bunu buon bur- burb burg burh buri burn buro burr buru ffff ffii ffrr ffun fghi fiff fifi fifo figg figo fiii fing fini finn fino fion fior firn fnuf fofo fogg fogh fogi fogn fogo fohn fohr foin fong fono foof foon for- forb forg fori forn foro forr foug foun four frib frig frin frio frob frog froh fron frou frub frug frun fubb fubu fuff fufu fugh fugi fugo fugu fuig fuir funf fung funh fuor fur- furg furi furn furo furr gbbo gbon gfor ggfg gggg gghg ggrn ghib ghoi ghon ghrf ghug gibb gibh giff gifu gigg gigi gign gigo ging gini ginn gino ginu giog gioi gion girg giri girn giro girr giru giur gnib gnin gnof gnoo gnrr gobi gobo goff gofr gofu gogh gogi gogo gohb goif goin gon- gong goni gonn gono gonu goof goog gooi goon goor gorb gorf gorg gori gorn goro gorr gou- gouf goug goun gour grbr grib grif grig grin grni grob grof grog groh groi gron groo gror grou grrr grub gruf grug grui grun grur gubb gubi gubu guff gugb gugg gugh gugi gugu guhr guib guin gung gunn gurb gurg gurh guri gurn guro gurr guru h-ii hbio hhgg hhhh hhof hibi hibu hiff hifh hifi hifn hifo hifr high higi hihi hiho hiiu hing hinn hino hiob hirf hiri hirn hiro hiru hnoi hobo hoff hofu hogg hogh hogi hogo hogu hohn hoho hoif hoir hong honi hono honu hoof hoon hoor horg hori horn horo horr houf hour hrib hrng hrob hron hrun hubb hubi hubo huff hufu hugg hugh hugi hugo huhi huhn huhu huib huif huir hung hunh huni huon huor huri hurn huro hurr huru huub i-go i-no ibfi ibon ibri ibro ifbb ifni ifno ifnr ifor ifrb ifrf ifri igbo igni igno ignu igon igoo igor igri ihob ihub ihug ihuo iiii iiio iino iioi iioo inbo infi info ingo inig inni inno innr innu ino- inoi inon inor inou inri inro inui inun iobi ioii ioio ioni ionn iono ioof iooi iooo iorg iori ioug ioun irfu iri- irig irin irio irob iroh iron irri irun iuiu iuno n-ii nbbo nbuf nfff nfib nfon ngio ngon ngor ngou ngri ngur nguu nhnn nhon nibi nibo niff nigg nigh nigo nihf niir niiu ning ninh nini nino niog nioh nion nioo niou niro niru niur nngn nnnn nobi nobo nobu nofi nogg nogh nogo nohn noho noib noif noin noio noir non- nong noni nonn nono nonu noo- noob noon nooo noor nor- norb norf norg nori norn noro norr nouh noun nour nron nubi nuff nuhi nuin nung nunn nuno nuon nuri nurn nurr nuru obbo obin oboi obon obor obrh obri obro obuh off- offh offo offr offu ofgo ofno ofor ogb ogfr oggi oghi ogin ogni ogog ogoi ogon ogou ogri ogro ogui ogun ohgr ohhi ohho ohif ohio ohno ohob ohoh ohrn oigo oiii oion ongi ongo ongu onir onni onno onon onor onur oobi ooff ooho oooh oooo orbb orbi orbo orbu orff orfi orfu orgn orgo ori- orif orig orin orio orni orno oro- orof oron oror orri orro orub ouff 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 riff rifu rigg righ rigi rigo rigu riho riif riin rinf ring rinn rino rion riou riri rnbr rnin rob- robb robi robo robu roff rofo rogg rogh rogi rogo rohn rohr rohu roif roig roin roio roir roiu rong roni rono roob roof roog rooi roon roor rori roro roru roub rouf rouh roun rrif rrrr rrun rubb rubi rubu ruff rufo rugg rugh rugi ruhh ruhi ruhn ruhr ruif ruin runf 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- unif unii unin unio unir unni unno unon unrf unro uofg uofo uor- urbi urff urfi urgh urgi urgu urho urib urif urin uriu urni uro- uroo urrh urri urun urur uuni uuno uuri uuuu