b-u bbb bbi bbn bbo bbs bbt bbu bi- bib bii bin bio bis bit biu bnb bni bnn bno bns bnt bnu bob boi bon boo bos bot bou bsb bsi bsn bso bss bst bsu btb bti btn bto bts btt btu bub bui bun buo bus but buu ibb ibi ibn ibo ibs ibt ibu iib iii iin iio iis iit iiu in- inb ini inn ino ins int inu io- iob ioi ion ioo ios iot iou is- isb isi isn iso iss ist isu itb iti itn ito its itt itu iu- iub iui ius iut n-i nbb nbi nbn nbo nbs nbt nbu nib nii nin nio nis nit niu nnb nni nnn nno nns nnt nnu no- nob noi non noo nos not nou nsb nsi nsn nso nss nst nsu ntb nti ntn nto nts ntt ntu nub nui nun nuo nus nut nuu o-i ob- obb obi obn obo obs obt obu oib oii oin oio ois oit oiu on- onb oni onn ono ons ont onu oo- oob ooi oon ooo oos oot os- osb osi osn oso oss ost osu ot- otb oti otn oto ots ott otu ou- oui oun ouo ous out sbb sbi sbn sbo sbs sbt sbu sib sii sin sio sis sit siu snb sni snn sno sns snt snu sob soi son soo sos sot sou ss- ssb ssi ssn sso sss sst ssu stb sti stn sto sts stt stu sub sui sun suo sus sut suu tbb tbi tbn tbo tbs tbt tbu tib tii tin tio tis tit tiu tnb tni tnn tno tns tnt to- tob toi ton too tos tot tou tsb tsi tsn tso tss tst tsu ttb tti ttn tto tts ttt ttu tub tui tun tuo tus tut tuu ubb ubi ubn ubo ubs ubt ubu uib uii uin uio uis uit uiu un- unb uni unn uno uns unt unu uob uon uoo uos uot usb usi usn uso uss ust usu utb uti utn uto uts utt utu uun uus uut uuu

-ous bbbb bbbs bbin bibb bibi bibo bibs biin biis bin- bini binn bino bins bint binu bio- bioi bion bios biot biou bis- biso biss bist bisu bito bits bitt bitu bnib bnin bnss bobb bobi bobo bobs bobu boi- boii boin bois boit boiu boni bonn bono bons bont bonu boob boon boos boot bosi bosn boso boss bost bosu botb boti botn boto bots bott boun bous bout bsin bsns bson bsos bsts btob btss bttb btus bubb bubi bubo bubs bubu buin buis buit buiu bunb buni bunn buno buns bunt bunu buon busi buss bust busu but- buti buto buts butt buus i-no ibis ibns ibon ibos ibot ibsn ibss ibtb ibts ibus iiii iiio iiis iiit iino iioi iioo iios iisi iist iisu iitt inbo inis init inni inno inns innu ino- inoi inon inos inot inou inso inss inst insu inti intn into ints intu inui inun inus iobi ioii ioio ioit ioni ionn iono ions iooi iooo ioos ioso iosu ioto ioun ious isbn isbt isin isis isit isno isnt iso- ison isos issi isso isss issu isti isto ists isus itbs itin itis itno itoi iton itoo itos itou itsi itso itsu itto iuiu iuno iuss iust n-ii nbbo nbti nibi nibo nibs niit niiu nini nino nins nion nioo nios niou nisi niso niss nist nisu nitb niti nito nits nnit nnnn nnos nnot nnss nntn nobi nobo nobs nobu noib noin noio nois noit non- noni nonn nono nons nont nonu noo- noob noon nooo noos noot nos- noss nost nosu not- noti noto nots nott noun nous nout nsbo nsin nsis nsos nsou nssb nsso nsss nsts nstu nsub ntis ntnu ntsb ntss ntsu ntto ntui nubi nubs nuin nuit nunn nuno nuns nunt nuon nusi nuss nust nusu nuts nutt nutu obbo obin obis obit oboi obon obos obot obsn obss obst obts obus oiii oins oint oion oios oist oisu oiti onis onit onni onno onon onos onso onst ont- onti onto onus onut oobi oons oont oooo ooos oosi oost ootb oots oous osii osin osis osno osoi osoo osos ossb ossi osso ossu osti osts osun otbs otin otis otit oto- oton otoo otos otso otsu otti otto otts ottu otus oubs ouii ouin ouis ouit oun- oust out- outb outi outo outs ouu- s-ib s-ii s-os sbbs sbot sbsi sbst sbtn sbus sibi sibo sibs sibu siit sini sinn sino sins sint sinu sion sios siot siou sisi siss sist sisu sit- siti sitn sito sits sitt situ siui sius siut snib snit snns snob snoo snos snot snub snus sobo sobs sobt sobu soin sois soit son- soni sono sons sont sonu soon soos soot sosi soso soss sost sotn soto sots sotu soun sous sout ssbn ssin ssis ssit ssns ssot sssb sssi ssss sstb ssts stbs stib stio stis stit stnn stns stob ston stoo stos stot stou stsi stss stub stun stus stut sub- subb subi subo subs suin suio suis suit sun- sunb suni sunn suno suns sunt sunu suos sus- susi suso suss sust susu suti suto sutu suus tbbs tbit tbst tibi tibs tibu tiit tiiu tini tinn tino tins tint tinu tion tios tiou tisb tisi tiso tiss tist titi tito tits titt titu tnts tnut tobi tobo tobs tobt tobu tois toit tonb toni tonn tono tons tonu toon toos toot tosb tosi toso toss tost tosu toti toto tots tott toui toun tous tout tsin tsis tsob tsoi tsos tsou tssi tsst tsts tsui tsun ttbb tton ttss tttt tubb tubo tubs tubu tuin tuis tuit tuiu tunb tuni tunn tuno tuns tunu tuos tusi tuss tust tuti tuto tuts tutt tutu tuuo ubbi ubbo ubii ubis ubit ubon ubos uint uist uits uni- unii unin unio unis unit unni unno unns unon unos uns- unso unst untb unto unts unus unut usbs usin