b-u bbb bbd bbg bbl bbr bbs bbt bbu bdb bdd bdg bdl bdr bds bdt bdu bgb bgd bgg bgl bgr bgs bgt bgu blb bld blg bll blr bls blt blu brb brd brg brl brr brs brt bru bsb bsd bsg bsl bsr bss bst bsu btb btd btg btl btr bts btt btu bub bud bug bul bur bus but buu dbb dbd dbg dbl dbr dbs dbt dbu ddb ddd ddg ddl ddr dds ddt ddu dgd dgg dgl dgr dgs dgt dgu dl- dlb dld dlg dll dlr dls dlt dlu drb drd drg drl drr drs drt dru dsb dsd dsg dsl dsr dss dst dsu dtb dtd dtg dtl dtr dts dtt dtu dub dud dug dul dur dus dut g-d gbd gbg gbl gbr gbs gbt gbu gdb gdd gdl gdr gds gdt gdu ggb ggd ggg ggr ggs ggt ggu glb gld glg gll glr gls glt glu grb grd grg grl grr grs grt gru gsb gsd gsg gsl gsr gss gst gsu gtb gtd gtg gtl gtr gts gtt gtu gu- gub gud gug gul gur gus gut guu lbb lbd lbg lbl lbr lbs lbt lbu ldb ldd ldg ldl ldr lds ldt ldu lgb lgd lgg lgl lgr lgs lgt lgu llb lld llg lll llr lls llt llu lrb lrd lrg lrr lrs lrt lru lsb lsd lsg lsl lsr lss lst lsu ltb ltd ltg ltl ltr lts ltt ltu lub lud lug lul lur lus lut luu rbb rbd rbg rbl rbr rbs rbt rbu rdb rdd rdg rdl rdr rds rdt rdu rgb rgd rgg rgr rgs rgt rld rlg rll rlr rls rlt rlu rrb rrd rrg rrl rrr rrs rrt rru rsb rsd rsg rsl rsr rss rst rsu rtb rtd rtg rtl rtr rts rtt rtu rub rud rug rur rus rut ruu sbb sbd sbg sbl sbr sbs sbt sbu sdb sdd sdg sdl sdr sds sdt sdu sgb sgd sgg sgl sgr sgs sgt sgu slb sld slg sll slr sls slt slu sr- srb srd srg srl srr srs srt ss- ssb ssd ssg ssl ssr sss sst ssu stb std stg stl str sts stt stu sub sud sug sul sur sus sut suu tbb tbd tbg tbl tbr tbs tbt tbu tdb tdd tdg tdl tdr tds tdt tdu tgb tgg tgl tgr tgs tgt tgu tld tlg tll tlr tls tlt tlu trb trd trg trl trr trs trt tru tsb tsd tsg tsl tsr tss tst tsu ttb ttd ttg ttl ttr tts ttt ttu tub tud tug tul tur tus tut tuu ubb ubg ubl ubr ubs ubt ubu udb udd udg udl udr uds udt udu ugb ugg ugl ugr ugs ugt ugu ulb uld ulg ull ulr uls ult ulu ur- urb urd urg url urr urs urt uru usb usd usg usl usr uss ust usu utb utd utl utr uts utt utu uug uur uus uut uuu

bbbb bbbs bbdd bblb bbls bbrg bd-r bdls bdsd bggs bgst blbt bldg bldr blls blrg blss blst blts blub blud blur blus blut brds brdt brls brrr brrs brsb brsr brst brud brug brus brut bsbd bsdl bsgs bsrd bssd bsts btdt btrt btss bttb btus bubb bubs bubu budb budd budg budl buds budu bugg bugs bulb buld bulg bull buls bult bulu bur- burb burd burg burl burr burs burt buru buss bust busu but- buts butt buus dbls dbrs dbss dbtt dbus dddd ddss ddts ddub dgsb dlbd dlrg dlrs dlst drgs drrs drub drug drus drut druu dsdr dsls dsrr dsst dsts dtrl dtss dub- dubb dubs dubu dudd duds dudu dugs dugu dull dult dulu durg durt duru dust duts duul duur duut gbbs gddb gdrt ggbt gggg ggss glrb glub glug glur glut grbr grds grrl grrr grrs grss grub grug grur grus grut gsds gstr gsur gtbr gtld gubb gubs gubu gudu gugb gugg gugu gulb guld gull guls gult gulu gurb gurd gurg gurl gurr gurs gurt guru gusb gusd guss gust guts gutt gutu guus lbds lbgt lblr lbrs lbrt lbug ldgs ldls ldrs lgbt lgbu lgdt lgts llbs lldb llds llll llud lrdd lrdg lrds lrgb lrrr lrst lrts ls-r lsbu lsds lssr lsts ltbl ltds ltgs ltrs ltsr lttr lubs ludd lugg lugs lugu lull lulu lurd lurg lurs lurt luss lust luts rbbb rbbr rbbs rbds rbsd rbsl rbss rbst rdgs rgds rgtr rgts rlds rldt rlls rlug rrrr rsdd rsdg rsdl rsds rsgb rssl rsts rstu rtdt rtgs rtls rtlt rtss rtts rubb rubs rubu rudd rudl ruds rugg rugs rull rurd rurs ruru russ rust rusu rutl ruts rutt rutu ruud sbbs sbds sbsd sbst sbus sdds sdgs sdls sdlt sdrs sdsl sdss sdsu sggg sggs sglr sgls sgsd sgss sgts slds slrs slst slsu slts slub slud slug slur slut srgb srsd srtr srub ssbr ssdd ssgs ssgt sslt ssrg ssrl ssrs sssb ssss sstb sstd sstl ssts stbd stbs stds stgr stld stlg stlt strd strs stru stss sttd sttr stub stud stug stul stur stus stut sub- subb subd subg subl subs sudd suds sug- sugg sul- suld sull sult sulu sur- surd surg surr surs surt suru sus- susd suss sust susu sutu suus tbbs tbgs tbrb tbst tddb tdls tdss tgts tldr tlrs trsd trst trtr trub trud trug trus trut truu tsbd tsdb tsgt tssg tssr tsst tsts ttbb ttss tttt ttul tubb tubr tubs tubu tudu tugg tugs tugu tull tulu turb turd turg turr turs turt turu tusd tuss tust tutl tuts tutt tutu ubls ubud udds udgb udsd udsl udts uggs uggt ugur uguu ullr ults ultt ulul ulus urbs urds urdu urgu urls urss ursu urts urur urus urut usbl usbr usbs usdl usds usdt uslu ussb ussr usss usst ussu ustb usts usul usus utsl uttu utug uulu uuuu

bbuss bdubs bldgs blrgs blsdb blubs bluds blurb blurr blurs blurt brrrr brud- bruds brugg