-ly bbb bbd bbi bbl bbs bbt bby bdb bdd bdi bdl bds bdt bdv bdy bi- bib bid bii bil bis bit biv biy blb bld bli bll bls blt blv bly bsb bsd bsi bsl bss bst bsv bsy btb btd bti btl bts btt btv bty bvb bvd bvi bvl bvs bvt bvv by- byd byi byl bys byt dbb dbd dbi dbl dbs dbt dbv dby ddb ddd ddi ddl dds ddt ddy di- dib did dii dil dis dit div diy dl- dlb dld dli dll dls dlt dlv dly dsb dsd dsi dsl dss dst dsv dsy dtb dtd dti dtl dts dtt dtv dty dvb dvd dvi dvl dvs dvt dy- dyb dyd dys dyy i-d i-v ibb ibd ibi ibl ibs ibt ibv iby idb idd idi idl ids idt idv idy iib iid iii iil iis iit il- ilb ild ili ill ils ilt ilv ily is- isb isd isi isl iss ist isv isy itb itd iti itl its itt itv ity ivb ivd ivi ivl ivs ivt ivv ivy iys iyt iyy lbb lbd lbi lbl lbs lbt lbv ldb ldd ldi ldl lds ldt ldv ldy lib lid lii lil lis lit liv llb lld lli lll lls llt llv lly lsb lsd lsi lsl lss lst lsv ltb ltd lti ltl lts ltt ltv lvb lvd lvi lvl lvs lvt lvv lyd lyl lys lyt sbb sbd sbi sbl sbs sbt sbv sby sdb sdd sdi sdl sds sdt sdv sdy sib sid sii sil sis sit siv slb sld sli sll sls slt slv sly ss- ssb ssd ssi ssl sss sst ssv stb std sti stl sts stt stv sty svb svd svi svl svs svt svv svy sy- syb syd syi syl sys syt tbb tbd tbi tbl tbs tbt tbv tdb tdd tdi tdl tds tdt tdv tdy tib tid tii til tis tit tiv tiy tld tli tll tls tlt tlv tsb tsd tsi tsl tss tst tsv tsy ttb ttd tti ttl tts ttt ttv tty tvb tvd tvi tvl tvs tvt tvy tyd tyl tys tyt vbd vbi vbl vbs vbv vdb vdd vdi vdl vds vdt vdv vi- vib vid vii vil vis vit viv viy vl- vlb vld vll vls vlt vlv vly vsb vsd vsi vsl vss vst vsv vtb vti vtl vts vtt vtv vty vvb vvi vvs vvt vvv vyd vyl vyt ybi ybl ybs yby ydl yds ydt ydy yid yii yis yit yld yli yll yls ylt yly ysb ysi ysl yss yst ysy ytd ytl yts ytt ytv yvi yvy yyb yys yyt yyy