b-u bbb bbg bbi bbo bbs bbt bbu bgb bgg bgi bgo bgs bgt bgu bi- bib big bii bio bis bit biu bob bog boi boo bos bot bou bsb bsg bsi bso bss bst bsu btb btg bti bto bts btt btu bub bug bui buo bus but buu gbg gbi gbo gbs gbt gbu ggb ggg ggi ggo ggs ggt ggu gib gig gii gio gis git giu gob gog goi goo gos got gou gsb gsg gsi gso gss gst gsu gtb gtg gti gto gts gtt gtu gu- gub gug gui guo gus gut guu ibb ibg ibi ibo ibs ibt ibu igb igg igi igo igs igt igu iib iii iio iis iit iiu io- iob iog ioi ioo ios iot iou is- isb isg isi iso iss ist isu itb itg iti ito its itt itu iu- iub iug iui ius iut o-i ob- obb obg obi obo obs obt obu ogg ogi ogo ogs ogt oib oii oio ois oit oiu oo- oob oog ooi ooo oos oot os- osb osg osi oso oss ost osu ot- otb otg oti oto ots ott otu ou- oui ouo ous out sbb sbg sbi sbo sbs sbt sbu sgb sgg sgi sgo sgs sgt sgu sib sig sii sio sis sit siu sob sog soi soo sos sot sou ss- ssb ssg ssi sso sss sst ssu stb stg sti sto sts stt stu sub sug sui suo sus sut suu tbb tbg tbi tbo tbs tbt tbu tgb tgg tgi tgo tgs tgt tgu tib tig tii tio tis tit tiu to- tob tog toi too tos tot tou tsb tsg tsi tso tss tst tsu ttb ttg tti tto tts ttt ttu tub tug tui tuo tus tut tuu ubb ubg ubi ubo ubs ubt ubu ugb ugg ugi ugo ugs ugt ugu uib uig uii uio uis uit uiu uob uog uoo uos uot usb usg usi uso uss ust usu utb uti uto uts utt utu uug uus uut uuu

-ous bbbb bbbs bggs bgst bibb bibi bibo bibs bigb bigg bigo bigs bigt bigu biis bio- biog bioi bios biot biou bis- biso biss bist bisu bito bits bitt bitu bobb bobi bobo bobs bobu bogg bogi bogo bogs bogt boi- boii bois boit boiu boob boog boos boot bosi boso boss bost bosu botb boti boto bots bott bous bout bsgs bsos bsts btob btss bttb btus bubb bubi bubo bubs bubu bugg bugi bugo bugs buis buit buiu busi buss bust busu but- buti buto buts butt buus gbbo gbbs ggbt gggg ggss gibb gibs gigg gigi gigo gigs giis giog gioi giss gist gito gits gius gobi gobo gobs gogi gogo gogs gois goit goog gooi goos goot gosi goso goss gost gosu goti goto gots gott gou- goug gous gout gsis gsos gtos gubb gubi gubs gubu gugb gugg gugi gugu guib guis guos gusb guss gust guti guto guts gutt gutu guus i-go ibis ibos ibot ibss ibtb ibts ibus igbo iggs igis igoo igot igso igus iiii iiio iiis iiit iioi iioo iios iisi iist iisu iitt iobi iogt ioii ioio ioit iooi iooo ioos ioso iosu ioto ioug ious isbt isis isit iso- isos issi isso isss issu isti isto ists isus itbs itgo itgs itis itoi itoo itos itou itsi itso itsu itto iugs iuiu iuss iust obbo obis obit oboi obos obot obss obst obts obus ogb oggi ogog ogoi ogou ogsi ogui ogus oigo oiii oios oist oisu oiti oobi oooo ooos oosi oost ootb oots oous osgi osii osis osoi osoo osos ossb ossi osso ossu osti osts otbs otis otit oto- otog otoo otos otsg otso otsu otti otto otts ottu otus oubs ouii ouis ouit oust out- outb outi outo outs ouu- s-ib s-ii s-os sbbs sbig sbot sbsi sbst sbus sggg sggs sgio sgss sgts sibi sibo sibs sibu sigg sigi sigo sigs siit sios siot siou sisi siss sist sisu sit- siti sito sits sitt situ siui sius siut sobo sobs sobt sobu sogi sogo sogs sois soit soog soos soot sosi soso soss sost soto sots sotu sous sout ssgs ssgt ssis ssit ssot sssb sssi ssss sstb ssts stbs stib stig stio stis stit stob stog stoo stos stot stou stsi stss stub stug stus stut sub- subb subg subi subo subs sug- sugg sugi sugo suig suio suis suit suos sus- susi suso suss sust susu suti suto sutu suus tbbs tbgs tbit tbst tgts tibi tibs tibu tigi tigs tiit tiiu tios tiou tisb tisi tiso tiss tist titi tito tits titt titu tobi tobo tobs tobt tobu togo togs togt tois toit toos toot tosb tosi toso toss tost tosu toti toto tots tott toug toui tous tout tsgt tsig tsis tsob tsoi tsos tsou tssg tssi tsst tsts tsui ttbb ttss tttt tubb tubo tubs tubu tugg tugs tugu tuig tuis tuit tuiu tuos tusi tuss tust tuti tuto tuts tutt tutu tuuo ubbi ubbo ubii ubis ubit ubos uggo uggs uggt ugis ugos uguu uist uits usbs usgo usis usog usoi usos ussb usss usst ussu ustb usti usto usts usui usus utis utti utto uttu utug uusi uuuu

-itis bbuss bibbo bibbs bibio bibis bibos bibus big-i biggs bigig bigoo bigos bigot biogs bioss bisou bisto bitgo bitis bitit bitti bitto bitts bo-bo bobbi bobos bobst bobts boggs bogos bogot bogu bogus bogut boios boist boito boobs booit boost boots bosio bossi bosso bosut botis botos botou botti botts bottu botus boust bouto bouts bsous btstu bugis bugit bugoo bugti buist busog busot busso bussu busti busto busts busut busuu butis butit buto- butot butou butts butuo butut gbiti ggobi gibbi gibbs gibi- gibss gibus giggs gigot giitu gisgo gissi gisti gists gitgo gitig gitit giubo giust go-go go-oo go-to gobbi gobbo gobig gobio gobos gobot gobus gogoi gogos gogui goibo goist goito goits goobi goobo googs goost goout gossi gosub gotit gotoo gotos gotti gotto