-ly b-u bbb bbd bbi bbl bbs bbt bbu bby bdb bdd bdi bdl bds bdt bdu bdy bi- bib bid bii bil bis bit biu biy blb bld bli bll bls blt blu bly bsb bsd bsi bsl bss bst bsu bsy btb btd bti btl bts btt btu bty bub bud bui bul bus but buu buy by- byd byi byl bys byt byu dbb dbd dbi dbl dbs dbt dbu dby ddb ddd ddi ddl dds ddt ddu ddy di- dib did dii dil dis dit diu diy dl- dlb dld dli dll dls dlt dlu dly dsb dsd dsi dsl dss dst dsu dsy dtb dtd dti dtl dts dtt dtu dty dub dud dui dul dus dut duy dy- dyb dyd dys dyu dyy i-d ibb ibd ibi ibl ibs ibt ibu iby idb idd idi idl ids idt idu idy iib iid iii iil iis iit iiu il- ilb ild ili ill ils ilt ilu ily is- isb isd isi isl iss ist isu isy itb itd iti itl its itt itu ity iu- iub iud iui ius iut iys iyt iyy lbb lbd lbi lbl lbs lbt lbu ldb ldd ldi ldl lds ldt ldu ldy lib lid lii lil lis lit liu llb lld lli lll lls llt llu lly lsb lsd lsi lsl lss lst lsu ltb ltd lti ltl lts ltt ltu lub lud lui lul lus lut luu luy lyd lyl lys lyt sbb sbd sbi sbl sbs sbt sbu sby sdb sdd sdi sdl sds sdt sdu sdy sib sid sii sil sis sit siu slb sld sli sll sls slt slu sly ss- ssb ssd ssi ssl sss sst ssu stb std sti stl sts stt stu sty sub sud sui sul sus sut suu suy sy- syb syd syi syl sys syt syu tbb tbd tbi tbl tbs tbt tbu tdb tdd tdi tdl tds tdt tdu tdy tib tid tii til tis tit tiu tiy tld tli tll tls tlt tlu tsb tsd tsi tsl tss tst tsu tsy ttb ttd tti ttl tts ttt ttu tty tub tud tui tul tus tut tuu tuy tyd tyl tys tyt ubb ubi ubl ubs ubt ubu uby udb udd udi udl uds udt udu uib uid uii uil uis uit uiu ulb uld uli ull uls ult ulu uly usb usd usi usl uss ust usu utb utd uti utl uts utt utu uty uus uut uuu uyi uys uyu ybi ybl ybs yby ydl yds ydt ydy yid yii yis yit yld yli yll yls ylt yly ysb ysi ysl yss yst ysu ysy ytd ytl yts ytt ytu yud yui yul yus yut yuu yuy yyb yys yyt yyu yyy