-ly bbb bbd bbi bbl bbr bbs bbt bby bdb bdd bdi bdl bdr bds bdt bdy bi- bib bid bii bil bir bis bit biy blb bld bli bll blr bls blt bly brb brd bri brl brr brs brt bry bsb bsd bsi bsl bsr bss bst bsy btb btd bti btl btr bts btt bty by- byd byi byl byr bys byt dbb dbd dbi dbl dbr dbs dbt dby ddb ddd ddi ddl ddr dds ddt ddy di- dib did dii dil dir dis dit diy dl- dlb dld dli dll dlr dls dlt dly drb drd dri drl drr drs drt dry dsb dsd dsi dsl dsr dss dst dsy dtb dtd dti dtl dtr dts dtt dty dy- dyb dyd dyr dys dyy i-d ibb ibd ibi ibl ibr ibs ibt iby idb idd idi idl idr ids idt idy iib iid iii iil iir iis iit il- ilb ild ili ill ilr ils ilt ily ir- irb ird iri irl irr irs irt iry is- isb isd isi isl isr iss ist isy itb itd iti itl its itt ity iyr iys iyt iyy lbb lbd lbi lbl lbr lbs lbt ldb ldd ldi ldl ldr lds ldt ldy lib lid lii lil lir lis lit llb lld lli lll llr lls llt lly lrb lrd lri lrr lrs lrt lry lsb lsd lsi lsl lsr lss lst ltb ltd lti ltl ltr lts ltt lyd lyl lyr lys lyt rbb rbd rbi rbl rbr rbs rbt rdb rdd rdi rdl rdr rds rdt rdy rib rid rii ril rir ris rit riy rld rli rll rlr rls rlt rly rrb rrd rri rrl rrr rrs rrt rsb rsd rsi rsl rsr rss rst rtb rtd rti rtl rtr rts rtt rty ry- ryd ryr rys ryy sbb sbd sbi sbl sbr sbs sbt sby sdb sdd sdi sdl sdr sds sdt sdy sib sid sii sil sir sis sit slb sld sli sll slr sls slt sly sr- srb srd sri srl srr srs srt sry ss- ssb ssd ssi ssl ssr sss sst stb std sti stl str sts stt sty sy- syb syd syi syl syr sys syt tbb tbd tbi tbl tbr tbs tbt tdb tdd tdi tdl tdr tds tdt tdy tib tid tii til tir tis tit tiy tld tli tll tlr tls tlt trb trd tri trl trr trs trt try tsb tsd tsi tsl tsr tss tst tsy ttb ttd tti ttl ttr tts ttt tty tyd tyl tyr tys tyt ybi ybl ybr ybs yby ydl yds ydt ydy yid yii yir yis yit yld yli yll ylr yls ylt yly yrs yrt ysb ysi ysl ysr yss yst ysy ytd ytl ytr yts ytt yyb yys yyt yyy