-hou -ing bbbb bbin bbng bbpr 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 bipp bipu birb birg biri birn biro birr biru bnib bnin bnor bnpp 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 boop boor bopp bor- borg borh bori born boro borr boru bouh boun boup bour brig brih brin brio brno brob brog broh bron broo bror brou brrr brug bruh brun brup 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 burp burr buru gbbo gbon gggg gghg ggpo ggrn ghib ghoi ghon ghug gibb gibh gigg gigi gign gigo ging gini ginn gino ginu giog gioi gion giop gipi gipp girg giri girn giro girr giru giur gnib gnin gnip gnoo gnrr gobi gobo gogh gogi gogo gohb goin goip gon- gong goni gonn gono gonu goog gooi goon goop goor gopi gopo gopu gorb gorg gori gorn goro gorp gorr gou- goug goun goup gour gpgp gpip gprp grbr grib grig grin grip grni grob grog groh groi gron groo grop 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 hhip hibi hibu high higi hihi hiho hiiu hing hinn hino hiob hipo hipp hiri hirn hiro hiru hnoi hobo hogg hogh hogi hogo hogu hohn hoho hoip hoir hong honi hono honu hoon hoop hoor hopi hopo hopp horg hori horn horo horr houp hour hpgp hrib hrip hrng hrob hron hrpp hrun hubb hubi hubo hugg hugh hugi hugo huhi huhn huhu huib huir hung hunh huni huon huor hupp huri hurn huro hurr huru huub i-go i-no ibon ibri ibro igbo igni igno ignu igon igoo igor igri ihob ihop ihub ihug ihuo iiii iiio iino iioi iioo iiop inbo ingo inig inni inno innr innu ino- inoi inon inor inou inp- inpi inpp inri inro inui inun inup iobi ioii ioio ioni ionn iono iooi iooo iorg iori ioug ioun iphr ipin ipoh ipop ippo ippr ipri ipur irbp iri- irig irin irio irip irob iroh iron irop irri irun iuiu iuno iupp n-ii n-up nbbo nbpp ngio ngon ngor ngou ngri ngur nguu nhnn nhon nhpi nhrp nibi nibo nigg nigh nigo niip niir niiu ning ninh nini nino niog nioh nion nioo niou nipr niro niru niur nngn nnnn nnpi nnpr nobi nobo nobu nogg nogh nogo nohn noho noib noin noio noir non- nong noni nonn nono nonu noo- noob noon nooo noop noor noph nor- norb norg nori norn noro norr nouh noun noup nour npin npri nron nrpn nubi nuhi nuin nung nunn nuno nuon nuri nurn nurp nurr nuru obbo obin oboi obon obor obrh obri obro obuh ogb oggi oghi ogin ogni ogog ogoi ogon ogou ogpu ogri ogro ogui ogun ohgr ohhi ohho ohio ohno ohob ohoh ohrn oigo oiii oion ongi ongo ongu onir onni onno onon onor onpg onpu onup onur oobi ooho oooh oooo ophi opii opin opio opng opo- opon opor oppi oppo orbb orbi orbo orbu orgn orgo ori- orig orin orio orni orno oro- oron oror orph orpi orri orro orub orup ough ouii ouin ouir oun- oung ouph our- ourn ouro ouu- pgib pgou pgpu pgup phi- phin phip phno phob phog phoh phon phoo phrr phun pibb pibi pigb pigg pigh pign pigo pigp pigu piip ping pini pinn pino pinp pinu piob pion pipi pipo pipp pirg piri pirn piro pirr piru pnin pnon pnpo pnpp pnro pnup pobo pogg pogh pogo poin poio pong poni pono ponp pooh poon poop poor pop- popi popo popp porb porg pori porn poro porr poui poun poup pour ppgi pphi ppib ppig ppih pppn pppo pppp ppru ppur pri- prig prii prin prnp pro- prob prog pron proo prop prou prri pruu pubu pugh pugo pugu puhi puhn puig puin puir puiu pung puno punu pupi pupu pur- purb purg puri puro purp purr puru 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 ripi ripp ripr 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 roop roor ropo rori roro roru roub rouh roun roup rpho rpii rpob rpon rppn rrrr rrun rubb rubi rubp rubu rugg rugh rugi ruhh ruhi ruhn ruhr ruin rung runi runn runo rupp ruri ruro rurp ruru ruun u-rp ubbi ubbo ubii ubir ubon uggo ughi ugni ugri ugro ugur uguu uhno uhoh uhuh uhup uipi uirr ungo ungp ungu uni- unii unin unio unir unni unno unon unop unro uor- upgo upin upnp upon upor uppp uppu upri upup urbi urgh urgi urgu urho urib urin uriu urni uro- uroo urpo urrh urri urun urup urur uuni uuno uuri uuuu