b-u bbb bbo bbs bbt bbu bob boo bos bot bou bsb bso bss bst bsu btb bto bts btt btu bub buo bus but buu ob- obb obo obs obt obu oo- oob ooo oos oot os- osb oso oss ost osu ot- otb oto ots ott otu ou- ouo ous out sbb sbo sbs sbt sbu sob soo sos sot sou ss- ssb sso sss sst ssu stb sto sts stt stu sub suo sus sut suu tbb tbo tbs tbt tbu to- tob too tos tot tou tsb tso tss tst tsu ttb tto tts ttt ttu tub tuo tus tut tuu ubb ubo ubs ubt ubu uob uoo uos uot usb uso uss ust usu utb uto uts utt utu uus uut uuu

-ous bbbb bbbs bobb bobo bobs bobu boob boos boot boso boss bost bosu botb boto bots bott bous bout bsos bsts btob btss bttb btus bubb bubo bubs bubu buss bust busu but- buto buts butt buus obbo obos obot obss obst obts obus oooo ooos oost ootb oots oous osoo osos ossb osso ossu osts otbs oto- otoo otos otso otsu otto otts ottu otus oubs oust out- outb outo outs ouu- s-os sbbs sbot sbst sbus sobo sobs sobt sobu soos soot soso soss sost soto sots sotu sous sout ssot sssb ssss sstb ssts stbs stob stoo stos stot stou stss stub stus stut sub- subb subo subs suos sus- suso suss sust susu suto sutu suus tbbs tbst tobo tobs tobt tobu toos toot tosb toso toss tost tosu toto tots tott tous tout tsob tsos tsou tsst tsts ttbb ttss tttt tubb tubo tubs tubu tuos tuss tust tuto tuts tutt tutu tuuo ubbo ubos usbs usos ussb usss usst ussu ustb usto usts usus utto uttu uuuu

bbuss bo-bo bobos bobst bobts boobs boost boots bosso bosut botos botou botts bottu botus boust bouto bouts bsous btstu busot busso bussu busto busts busut busuu buto- butot butou butts butuo butut obout obtus ooooo ootus ososo ossos osusu otoso ototo ottos oubut ousts outto outts s-bot s-bus so-so soots soss- sosto sosus sotoo sotos sotsu sotto sotts sous- souto sssss stobs stoob stoos stoot stoss stots stott stout stubo stubs stuss subbu subos subss subst susso susto susus sutot sutto suttu tbtbt tbutt tobot tobou toobs toost toots tosos toss- tosto toto- totoo totos totus toust touts ttttt ttusb tubbs tubo- tubou tuotu tutto tutus ubobo ustoo ustou usutu ututo uuuuu

bbbbbb bobbos booboo boosts bososo bossou bossut boubou bousso boussu boutob bs-tbs bububu bustos buttos buttto bututs buutuo oooooo ossott ossous otsubo ououso sobos soosoo sousou stobbs stotts stouts stubbs subout suttoo toboot toboso tootoo tossto tottos tottus toutou toutuo tsotso tsubos tuotuo tuttut u-boot ubosot ubussu

bbbbbbb boo-boo booboos bootout bossost boubous bus-obo bustout bustuus buttout outboob outbutt sou-sou sssssss sussout too-too tossout tototoo tut-tut tuttuts ububboo

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

bosssssts sous-sous tuttototo

bobbobbobs stouttouts toutstouts

bbbbbbbbbbbbbbb