b-u bbb bbd bbr bbs bbt bbu bdb bdd bdr bds bdt bdu brb brd brr brs brt bru bsb bsd bsr bss bst bsu btb btd btr bts btt btu bub bud bur bus but buu dbb dbd dbr dbs dbt dbu ddb ddd ddr dds ddt ddu drb drd drr drs drt dru dsb dsd dsr dss dst dsu dtb dtd dtr dts dtt dtu dub dud dur dus dut rbb rbd rbr rbs rbt rbu rdb rdd rdr rds rdt rdu rrb rrd rrr rrs rrt rru rsb rsd rsr rss rst rsu rtb rtd rtr rts rtt rtu rub rud rur rus rut ruu sbb sbd sbr sbs sbt sbu sdb sdd sdr sds sdt sdu sr- srb srd srr srs srt ss- ssb ssd ssr sss sst ssu stb std str sts stt stu sub sud sur sus sut suu tbb tbd tbr tbs tbt tbu tdb tdd tdr tds tdt tdu trb trd trr trs trt tru tsb tsd tsr tss tst tsu ttb ttd ttr tts ttt ttu tub tud tur tus tut tuu ubb ubr ubs ubt ubu udb udd udr uds udt udu ur- urb urd urr urs urt uru usb usd usr uss ust usu utb utd utr uts utt utu uur uus uut uuu

bbbb bbbs bbdd bd-r bdsd brds brdt brrr brrs brsb brsr brst brud brus brut bsbd bsrd bssd bsts btdt btrt btss bttb btus bubb bubs bubu budb budd buds budu bur- burb burd burr burs burt buru buss bust busu but- buts butt buus dbrs dbss dbtt dbus dddd ddss ddts ddub drrs drub drus drut druu dsdr dsrr dsst dsts dtss dub- dubb dubs dubu dudd duds dudu durt duru dust duts duur duut rbbb rbbr rbbs rbds rbsd rbss rbst rrrr rsdd rsds rsts rstu rtdt rtss rtts rubb rubs rubu rudd ruds rurd rurs ruru russ rust rusu ruts rutt rutu ruud sbbs sbds sbsd sbst sbus sdds sdrs sdss sdsu srsd srtr srub ssbr ssdd ssrs sssb ssss sstb sstd ssts stbd stbs stds strd strs stru stss sttd sttr stub stud stur stus stut sub- subb subd subs sudd suds sur- surd surr surs surt suru sus- susd suss sust susu sutu suus tbbs tbrb tbst tddb tdss trsd trst trtr trub trud trus trut truu tsbd tsdb tssr tsst tsts ttbb ttss tttt tubb tubr tubs tubu tudu turb turd turr turs turt turu tusd tuss tust tuts tutt tutu ubud udds udsd udts urbs urds urdu urss ursu urts urur urus urut usbr usbs usds usdt ussb ussr usss usst ussu ustb usts usus uttu uuuu

bbuss bdubs brrrr brud- bruds bruss brust btr-d btr-t btstu budds buddu budur burbs burds burrs burru burst burts burtt burud burus burut bussu busts busur busut busuu butts butut d-bus dbtss ddddd drubs drust dubbs dubus durst durtu dusts rsust rubus rudds rudus rusts rustu ruutu s-bus ssdrs sssrb sssss strrs strub strut stubs studd studs sturb sturt stuss stutd subbu subss subst subud sudds sudur surds surdu surtr surud surur surus susus suttu suudu tbtbt tbutt trubs trubu truss trust truus tsuru tsuur ttttt ttusb tubbs tudur turbt turds turss turst tursu turtu turut tutus tuuru u-dub ursus urubu urutu ustur usutu utrdb uttur uturu uuuuu

bbbbbb brubru brutus bs-tbs bububu budrus burbur burdur bursts bursut burutu busbud bututs drusus dstuds dubdub durrus durusu rubutu rudrur rurutu russud russus strust struts strutt stubbs studds sturts suburb surtur susurr tdrs-b trusts turdus turssu turtur tururu tussur tuttut ubussu udburu

bbbbbbb burruss bustuus sssssss subbudu suburbs sutturu trstbrd tut-tut tuttuts

bbbbbbbb btdtbtts budburst buruburu sussurus susurrus

ddddddddd

trusstrust

bbbbbbbbbbbbbbb