b-u bbb bbf bbo bbs bbt bbu bfb bff bfo bfs bft bfu bob bof boo bos bot bou bsb bsf bso bss bst bsu btb btf bto bts btt btu bub buf buo bus but buu fbb fbf fbo fbs fbt fbu fff ffo ffs fft ffu fob fof foo fos fot fou fsb fsf fso fss fst fsu ftb ftf fto fts ftt ftu fub fuf fuo fus fut fuu ob- obb obf obo obs obt obu of- ofb off ofo ofs oft ofu oo- oob oof ooo oos oot os- osb osf oso oss ost osu ot- otb otf oto ots ott otu ou- ouf ouo ous out sbb sbf sbo sbs sbt sbu sfb sff sfo sfs sft sfu sob sof soo sos sot sou ss- ssb ssf sso sss sst ssu stb stf sto sts stt stu sub suf suo sus sut suu tbb tbf tbo tbs tbt tbu tfb tff tfo tfs tft tfu to- tob tof too tos tot tou tsb tsf tso tss tst tsu ttb ttf tto tts ttt ttu tub tuf tuo tus tut tuu ubb ubf ubo ubs ubt ubu uff ufo ufs uft ufu uob uoo uos uot usb usf uso uss ust usu utb utf uto uts utt utu uus uut uuu

-ous bbbb bbbs bffs bfts bftt bobb bobo bobs bobu boff bofs bofu boob boof boos boot boso boss bost bosu botb boto bots bott bouf bous bout bsff bsfs bsos bsts btob btss bttb btus bubb bubo bubs bubu buff bufo buss bust busu but- buto buts butt buus fbus ffff ffss fftf fobs fobt fofo foof foos foot fosb foso foss fost foto fots fott fous fout fsfo fssf ftos ftub fubb fubs fubu fuff fufu fuso fuss fust fusu futo futs futu obbo obos obot obss obst obts obus off- offo offs offu ofst ofus ooff oofs oooo ooos oost ootb oots oous osoo osos ossb osso ossu osts otbs oto- otof otoo otos otso otsu otto otts ottu otus oubs ouff oust out- outb outo outs ouu- s-os sbbs sbot sbst sbus sfos sfss sfsu sfts sobo sobs sobt sobu sofo soft soof soos soot soso soss sost soto sots sotu souf sous sout ssot sssb sssf ssss sstb ssts stbs stfu stob stof stoo stos stot stou stsf stss stub stuf stus stut sub- subb subo subs suf- suff sufs sufu suos sus- suso suss sust susu suto sutu suus tbbs tbst tfot tfss tobo tobs tobt tobu toff tofo toft tofu toof toos toot tosb toso toss tost tosu toto tots tott tous tout tsob tsos tsou tssf tsst tsts ttbb ttff ttss tttt tubb tubo tubs tubu tuff tufo tuft tufu tuos tuss tust tuto tuts tutt tutu tuuo ubbo ubos ubtf ufos uofo usbs usfs usos ussb ussf usss usst ussu ustb usto usts usus utfo utto uttu uutf uuuu

bbuss bo-bo bobos bobst bobts boffo boffs boobs boofs boost boots bosso bosut botos botou botts bottu botus boust bouto bouts bsoft bsous btstu buffo buffs bufos busot busso bussu busto busts busut busuu buto- butot butou butts butuo butut fofos foots fotos fotus foust fouts fu-fu fubbs fubus fuffs fuso- fusts fusus futsu obout obtus offof offto ofosu ofoto ooooo ootus ososo ossos osusu otoso ototo ottos oubut ousts outof outto outts s-bot s-bus sfouf so-so softs soots soss- sosto sosus sotoo sotos sotsu sotto sotts souff sous- souto sssss stobs stoff stoob stoos stoot stoss stots stott stouf stout stubo stubs stuff stuft stuss subbu subos subss subst suffs suftu susso susto susus sutot sutto suttu tbtbt tbutt tobot tobou toffo toffs tofts tofus toobs toost toots tosos toss- tosto toto- totoo totos totus toust touts tsubo ttttt ttusb tubbs tubo- tubof tubou tuffs tufts tuotu tutto tutus ubobo ufofu ustoo ustou usutu utfsf ututo uuuuu

bbbbbb bobbos boffos booboo boosts bososo bossou bossut boubou bousso boussu boutob bs-tbs bububu buffos bustos buttos buttto bututs buutuo foboff foofoo fosso foufou futtsu offutt oooooo ossott ossous otsubo ououso sobos soosoo sousou stobbs stotts stouts stubbs stuffo stuffs subout suttoo toboot toboso tootoo tossto tottos tottus tou-fu toutou toutuo tsotso tsubos tubsof tuotuo tuttut u-boot ubosot ubussu

bbbbbbb boo-boo booboos bootout bossost boubous bus-obo bustout bustuus buttout fobsoff foo-foo fou-fou off-off outboob outbutt outfoot sou-sou sssssss sussout t-stoff too-too tossoff tossout tototoo tut-tut tuttuts ububboo ufotofu

bbbbbbbb bo-bo-bo bobobobs bofossou boustous buttsout outboobs outfoots toottoot ubbubboo

bosssssts sous-sous tuff-tuff tuttototo

bobbobbobs stouttouts toutstouts

bbbbbbbbbbbbbbb