b-u bbb bbd bbi bbr bbs bbt bbu bby bdb bdd bdi bdr bds bdt bdu bdv bdy bi- bib bid bii bir bis bit biu biv biy brb brd bri brr brs brt bru brv bry bsb bsd bsi bsr bss bst bsu bsv bsy btb btd bti btr bts btt btu btv bty bub bud bui bur bus but buu buy bvb bvd bvi bvr bvs bvt bvu bvv by- byd byi byr bys byt byu dbb dbd dbi dbr dbs dbt dbu dbv dby ddb ddd ddi ddr dds ddt ddu ddy di- dib did dii dir dis dit diu div diy drb drd dri drr drs drt dru drv dry dsb dsd dsi dsr dss dst dsu dsv dsy dtb dtd dti dtr dts dtt dtu dtv dty dub dud dui dur dus dut duv duy dvb dvd dvi dvr dvs dvt dvu dy- dyb dyd dyr dys dyu dyy i-d i-v ibb ibd ibi ibr ibs ibt ibu ibv iby idb idd idi idr ids idt idu idv idy iib iid iii iir iis iit iiu ir- irb ird iri irr irs irt iru irv iry is- isb isd isi isr iss ist isu isv isy itb itd iti its itt itu itv ity iu- iub iud iui iur ius iut ivb ivd ivi ivr ivs ivt ivu ivv ivy iyr iys iyt iyy rbb rbd rbi rbr rbs rbt rbu rdb rdd rdi rdr rds rdt rdu rdv rdy rib rid rii rir ris rit riv riy rrb rrd rri rrr rrs rrt rru rsb rsd rsi rsr rss rst rsu rsv rtb rtd rti rtr rts rtt rtu rtv rty rub rud rui rur rus rut ruu ruv ruy rvb rvd rvi rvr rvs rvt rvu rvv rvy ry- ryd ryr rys ryu ryy sbb sbd sbi sbr sbs sbt sbu sbv sby sdb sdd sdi sdr sds sdt sdu sdv sdy sib sid sii sir sis sit siu siv sr- srb srd sri srr srs srt srv sry ss- ssb ssd ssi ssr sss sst ssu ssv stb std sti str sts stt stu stv sty sub sud sui sur sus sut suu suv suy svb svd svi svr svs svt svu svv svy sy- syb syd syi syr sys syt syu tbb tbd tbi tbr tbs tbt tbu tbv tdb tdd tdi tdr tds tdt tdu tdv tdy tib tid tii tir tis tit tiu tiv tiy trb trd tri trr trs trt tru trv try tsb tsd tsi tsr tss tst tsu tsv tsy ttb ttd tti ttr tts ttt ttu ttv tty tub tud tui tur tus tut tuu tuv tuy tvb tvd tvi tvr tvs tvt tvu tvy tyd tyr tys tyt ubb ubi ubr ubs ubt ubu ubv uby udb udd udi udr uds udt udu udv uib uid uii uir uis uit uiu ur- urb urd uri urr urs urt uru ury usb usd usi usr uss ust usu usv utb utd uti utr uts utt utu utv uty uur uus uut uuu uvb uvs uvu uvv uyi uys uyu vbd vbi vbr vbs vbv vdb vdd vdi vdr vds vdt vdu vdv vi- vib vid vii vir vis vit viu viv viy vrb vrd vri vrr vrs vrt vru vry vsb vsd vsi vsr vss vst vsu vsv vtb vti vtr vts vtt vtu vtv vty vur vus vut vuv vvb vvi vvr vvs vvt vvv vyd vyt ybi ybr ybs yby yds ydt ydy yid yii yir yis yit yrs yrt yru ysb ysi ysr yss yst ysu ysy ytd ytr yts ytt ytu ytv yud yui yur yus yut yuu yuv yuy yvi yvr yvy yyb yys yyt yyu yyy

bbbb bbbs bbdd bd-r bdii bdry bdsd bibb bibi bibs bidi bidr bids bidu biis birb bird biri birr birs birt biru biry bis- bisd biss bist bisu bisy bitd bits bitt bitu bivi bivy biys brds brdt brdy brid bris brit brrr brrs brsb brsr brst brud brus brut bruv brvi bry- bryd bsbd bsrd bssd bsts bstv btdt btrt btry btss bttb btus btvi bubb bubi bubs bubu budb budd budi buds budu budy buid buir buis buit buiu bur- burb burd buri burr burs burt buru bury busi buss bust busu busy but- buti buts butt buty buus buvd buyi buys buyu bvds bvdu bydv byit byrd byrt bysb bysi byss byst bysy byts byyd d-tv dbit dbrs dbss dbtt dbus dddd ddry ddss ddts ddtv ddub dibb dibs diby didi dids didu didy diii diis diiv dird dirr dirs dirt dis- disd disi diss dist disy diti dits ditt ditv dius divd divi divs diyi diyu drib drit drrs drub drui drus drut druu druv dry- drys dsdr dsri dsrr dssi dsst dsts dstv dsvd dtss dub- dubb dubs dubu duby dudd duds dudu duid duir duis duit duri durt duru dury dusi dust dusy duts duty duur duut duvy duyr dvbs dvdr dvds dvi- dvii dvir dvrs dvsr dybt dybu dydd dyit dyr- dyrb dyri dyrt dyru dys- dysi dysr dyss dyst dyt- dyty dyur dyyr i-by ibid ibis ibrd ibri ibss ibtb ibts ibus ibuy ibyi idid idir idis idss idts idtv idub idus idvd iiii iiis iiit iirs iisd iisi iisr iist iisu iitr iitt irby irds iri- irid iris iriy irri irrs irti irts irus irvs isbd isbt isdb isds isis isit isri issi issr isss issu issy istd isti istr ists isty isus isys itbs itby itis itri itrs itry itsi itsu itsy itty itur iuds iuiu iusd iuss iust iuty ivbv ivdr ivrs ivry ivys rbbb rbbr rbbs rbds rbis rbsd rbss rbst rdvs rib- ribs ribu riby ridd ridi rids riis riri rirs risd risi riss rist risu riti rits ritt ritu rius rivs rrrr rsbi rsdd rsds rsid rsis rsts rstu rtdt rtss rtts rtvi rubb rubi rubs rubu ruby rudd rudi ruds rudy ruid ruis ruit rurd ruri rurs ruru rusi russ rust rusu rusy ruti ruts rutt rutu ruty