b-u bbb bbf bbh bbo bbr bbs bbu bfb bff bfh bfo bfr bfs bfu bhb bhf bhh bho bhr bhs bhu bob bof boh boo bor bos bou brb brf brh bro brr brs bru bsb bsf bsh bso bsr bss bsu bub buf buh buo bur bus buu fbb fbf fbh fbo fbr fbs fbu fff ffh ffo ffr ffs ffu fhb fhf fhh fho fhr fhs fob fof foh foo for fos fou frb frf frh fro frr frs fru fsb fsf fsh fso fsr fss fsu fub fuf fuo fur fus fuu hbb hbf hbh hbo hbr hbs hbu hfb hff hfh hfo hfr hfs hfu hhb hhf hhh hho hhr hhs hhu hob hof hoh hoo hor hos hou hr- hrb hrf hrh hro hrr hrs hru hsb hsf hsh hsr hss hsu hub huf huh huo hur hus huu ob- obb obf obh obo obr obs obu of- ofb off ofo ofr ofs ofu ohf ohh oho ohr ohs ohu oo- oob oof ooh ooo oor oos or- orb orf orh oro orr ors oru os- osb osf osh oso osr oss osu ou- ouf ouh ouo our ous rbb rbf rbh rbo rbr rbs rbu rfb rff rfh rfo rfr rfs rfu rh- rhb rhf rhh rho rhr rhs rhu rob rof roh roo ror ros rou rrb rrf rrh rrr rrs rru rsb rsf rsh rso rsr rss rsu rub ruf ruh ruo rur rus ruu sbb sbf sbh sbo sbr sbs sbu sfb sff sfh sfo sfr sfs sfu sh- shb shf shh sho shr shs shu sob sof soh soo sor sos sou sr- srb srf srh sro srr srs ss- ssb ssf ssh sso ssr sss ssu sub suf suh suo sur sus suu ubb ubf ubh ubo ubr ubs ubu uff ufh ufo ufr ufs ufu uhb uhf uhh uho uhr uhs uhu uob uoo uor uos ur- urb urf uro urr urs uru usb usf ush uso usr uss usu uur uus uuu

-hou -ous bbbb bbbs bbhs bffs bfhs bfsr bhff bhhs bhor bhsf bhur bhuu bobb bobo bobs bobu boff bofh bofs bofu boho bohr bohs bohu boob boof booh boor boos bor- borf borh boro borr bors boru bosh boso boss bosu bouf bouh bour bous brfu brhs brob broh broo bror bros brou brrr brrs brsb brsr bruh brus bsff bsfs bshs bsos bubb bubo bubs bubu buff bufo bufr buho buhr buhs bur- burb burh buro burr burs buru bush buss busu buus fbhs fbrs fbus ffff ffhs ffrr ffss fhfs fhhs fhrs fhss fobs fofo fohr fohs foof foos for- forb foro forr fors fosb fosh foso foss four fous frhs frob froh fros frou frsb frso frub fsfo fshb fshs fssf fubb fubs fubu fuff fufu fuhs fuor fur- furo furr furs fuso fuss fusu hbbs hbhs hbos hbrs hbss hfhs hfrs hfss hhhh hhhs hhof hhus hobo hobs hoff hofs hofu hoho hoof hoor hoos horo horr hors hosh hoss houf hour hrhs hrob hros hrso hsfs hshs hsob hsur hubb hubo hubs huff hufs hufu huhs huhu huor huos huro hurr hurs huru hush huso huss huub huus obbo obhs obor obos obrh obro obsr obss obuh obus off- offh offo offr offs offu ofor ofus ohho ohhs ohob ohoh ohos ohso ohss ohus ooff oofs ooho oohs oooh oooo ooos oous orbb orbo orbs orbu orff orfs orfu orhs oro- orof oror oros orro orrs orso orsu orub orus osho oshs oshu osoo osor osos osro ossb osso ossu oubs ouff our- ouro ours ouu- rbbb rbbr rbbs rbhs rboh rbss rfhs rhfs rhhs rhob rhoh rhos rhus rob- robb robo robs robu roff rofo rohr rohs rohu roob roof roor roos roro roru rosh roso ross roub rouf rouh rous rrhs rrrr rshs rsos rubb rubs rubu ruff rufo ruhh ruhr ruhs ruro rurs ruru rush ruso russ rusu s-os sbbs sbhs sbor sbus sfhs sfor sfos sfro sfss sfsu shbs shhh shhs shof shoo shor shos shou shrs shub shuf shur shus shuu sobo sobr sobs sobu sofo sohh soho sohs sohu soof soor soos sorb sorh soro sorr sors soru sosh soso soss souf sour sous srhs sros srub ssbr sshs ssrs sssb sssf sssh ssss sub- subb subh subo subs suf- suff sufr sufs sufu suhb suho suhr suoh suor suos sur- surf suro surr surs suru sus- suso suss susu suus ubbo ubos ufos uhoh uhrs uhss uhuh uofo uor- urbs urff urho uro- uroo urrh urso urss ursu urur urus usbr usbs usfs usho ushr ushs ushu usos ussb ussf ussr usss ussu usus uuuu

bbuss bhour bo-bo bo-ho bobos bobr boffo boffs bofhs bohor bohos bohrs bohus boobs boofs boors booru boosh borbo boro- boroo boros borou borro borsh borsu borus boshu bosor bosso bours brobo brobs broos bross brous brrrr bruff bruhs brush bruss bsous buffo buffs bufos buoho burbs buroo buros burro burrs burru burus busho busso bussu busur busuu fofos forbs foros forro forso forss foruh forur forus fourb fourh fouro fours frobs frosh frush fu-fu fubbs fubus fuffs furbo furo- furor furrs furus fuso- fusor fusus hhhhh hhour ho-ho ho-oh hobbs hobor hobos hobro hobub hoffs hofuf hohos hoofs hoors hoosh horos horro horru horus hosfu hosho hossu hosur houff hours houss hross hruso hubbs hubur huffs huhuh huhus hurso husos huuru o-r-b obhor oboro offof ofosu ofour oh-oh oh-so ohfoo ohohs ohour ohrob ohuus ooooh ooooo orbus orfor orobo orosh oroso orosu oruro ososo ossos ossur osusu ouoro ro-ro robbo robbs robo- robor robur rofor rohff rohob rohru rohus roofs rorbu rosso rosss rosu roush rsssf rubof rubor rubus ruffo ruffs rufo- rufus ruhrs ruhub rushh rusor russh russo s-bus s-o-r sfouf shhhh shobo shoff shoof shoor shoos shoro shorr shors shosh shour shous shrob shrub shubb shuff shuru shush so-ho so-so sobor sohos sohub sooru sorbo sorbs soror soros sorso sorsu sorus soshu soss- sosus souff souho sours sous- sroof sshfs sssrb ssssh sssss