-hou -ous bbbb bbbs bbhs bbrg bggs bghs bght bgst bhhs bhir bhit bhog bhoi bhor bhot bhrt bhur bhut bhuu bibb bibi bibo bibs bigb bigg bigo bigs bigt bigu bihi bihs bihu biis bio- biog bioi bios biot biou birb birg biri biro birr birs birt biru bis- bish biso biss bist bisu bith bito bits bitt bitu bobb bobi bobo bobs bobu bogg bogh bogi bogo bogs bogt boho bohr bohs boht bohu boi- boii bois boit boiu boob boog booh boor boos boot bor- borg borh bori boro borr bors bort boru bosh bosi boso boss bost bosu botb both boti boto bots bott bouh bour bous bout brhs brig brih brio bris brit brob brog broh broo bror bros brot brou brrr brrs brsb brsr brst brug bruh brus brut bsgs bshs bsos bsts bths btob btor btrt btss bttb btus bubb bubi bubo bubs bubu bugg bugh bugi bugo bugs buhi buho buhr buhs buir buis buit buiu bur- burb burg burh buri buro burr burs burt buru bush busi buss bust busu but- buti buto buts butt buus gbbo gbbs gbhs ggbt gggg gghg ggss ghhs ghib ghit ghoi ghug gibb gibh gibs gigg gigi gigo gigs gihs giis giog gioi girg giri giro girr girs girt giru gish giss gist gith gito gits giur gius gobi gobo gobs gogh gogi gogo gogs gohb gohs gois goit goog gooi goor goos goot gorb gorg gori goro gorr gors gort gosh gosi goso goss gost gosu goth goti goto gots gott gou- goug gour gous gout grbr grhs grib grig gris grit grob grog groh groi groo gror gros grot grou grrr grrs grss grub grug grui grur grus grut gshs gsis gsoh gsos gstr gsur gtbr gtos gubb gubi gubs gubu gugb gugg gugh gugi gugu guhr guib guis guos gurb gurg gurh guri guro gurr gurs gurt guru gusb gush guss gust guth guti guto guts gutt gutu guus h-ii hbbs hbhs hbio hbit hbos hbrs hbss hbtu hghs hgst hgts hhgg hhhh hhhs hhus hibi hibt hibu high higi higs higt hihi hiho hiht hiis hiit hiiu hiob hiri hiro hirs hirt hiru hisb hish hiss hist hiti hito hits hitt hobo hobs hogg hogh hogi hogo hogs hogu hoho hoir hois hoit hoor hoos hoot horg hori horo horr hors hort hosh hoss host hotb hoth hoti hoto hotr hots hott hotu hour hout hrhs hrib hrit hrob hros hrso hrtb hshs hsob hsts hsur htgs hths htoh httr hubb hubi hubo hubs hugg hugh hugi hugo hugs huhi huhs huhu huib huir huis huit huor huos huot huri huro hurr hurs hurt huru hush husi huso huss hust huth huti huto huts hutt hutu huub huus i-go ibis ibos ibot ibri ibro ibss ibtb ibts ibus igbo iggs ight igis igoo igor igot igri igso igus ihis ihit ihob ihss ihub ihug ihuo iiht iiii iiio iiis iiit iioi iioo iios iirs iisi iisr iist iisu iitr iitt iobi iogt ioii ioio ioit iooi iooo ioos iorg iori iors ioso iosu ioto ioug ious irgs irhs iri- irig irio iris irob iroh irri irrs irsg irti irts irus isbt ishi ishr ishs isis isit iso- isor isos isrg isri issh issi isso issr isss issu isth isti isto istr ists isuh isus itbs itgo itgs iths itis itoh itoi itoo itor itos itou itri itrs itsi itso itsu itto itur iugs iuiu iuss iust obbo obhs obis obit oboi obor obos obot obrh obri obro obsr obss obst obts obuh obus ogb oggi oghi oghs oght ogog ogoi ogou ogri ogro ogsi ogui ogus ohgr ohhi ohho ohhs ohio ohis ohob ohoh ohos ohso ohss ohto ohtu ohus oigo oiii oios oirt oist oisu oiti oobi ooho oohs oooh oooo ooos oort oosi oost ootb oots oous orbb orbi orbo orbs orbu orgo orgs orhs ori- orig orio oris orit oro- oror oros orot orri orro orrs orsi orso orsu orth orto orts orub orus osgi oshi osho oshs oshu osii osis osoi osoo osor osos osro ossb ossi osso ossu osti ostr osts otbs otho othr oths otis otit oto- otog otoh otoo otor otos otro otrs otsg otso otsu otti otto otts ottu otur otus oubs ough ouii ouir ouis ouit our- ouro ours ourt oust out- outb outh outi outo outs ouu- rbbb rbbr rbbs rbgh rbhs rbis rboh rbss rbst rgbi rghs rgit rgtr rgts rhbg rhhs rhib rhio rhob rhog rhoh rhos rhug rhus rib- ribo ribs ribu rigg righ rigi rigo rigs rigu riho rihs riht riis rios riot riou riri rirs rish risi riso riss rist risu rith riti rito rits ritt ritu rius rob- robb robi robo robs robt robu rogg rogh rogi rogo rohr rohs rohu roig roio roir rois roit roiu roob roog rooi roor roos root rori roro rort roru rosh rosi roso ross rost rotg roth roti roto rotr rots rott roub rouh rous rout rrhs rrrr rsbi rsgb rshs rsis rsos rsts rstu rtgs rths rtss rtts rubb rubi rubs rubu rugg rugh rugi rugs ruhh ruhi ruhr ruhs ruis ruit ruri ruro rurs ruru rush rusi ruso russ rust rusu ruth ruti ruto ruts rutt rutu s-ib s-ii s-os sbbs sbhs sbig sbor sbot sbsi sbst sbus sggg sggs sghs sgio sgro sgsh sgss sgts shbs shbt shgr shhh shhs shib shig shih shii shio shir shis shit shiu shog shoo shor shos shot shou shri shrs shtg shts shub shug shui shur shus shut shuu sibi sibo sibs sibu sigg sigh sigi sigo sigs sihi sihr sihs siht sihu siit sior sios siot siou siri siro sirr sirs sirt siru sish sisi siss sist sisu sit- sith siti sito sits sitt situ siui sius siut sobo sobr sobs sobt sobu sogh sogi sogo sogs sohh soho sohs sohu soir sois soit soog soor soos soot sorb sorg sorh sori soro sorr sors sort soru sosh sosi soso soss sost soth soto sots sotu sour