-ly bbb bbi bbl bbs bby bi- bib bii bil bis biv biy blb bli bll bls blv bly bsb bsi bsl bss bsv bsy bvb bvi bvl bvs bvv by- byi byl bys i-v ibb ibi ibl ibs ibv iby iib iii iil iis il- ilb ili ill ils ilv ily is- isb isi isl iss isv isy ivb ivi ivl ivs ivv ivy iys iyy lbb lbi lbl lbs lbv lib lii lil lis liv llb lli lll lls llv lly lsb lsi lsl lss lsv lvb lvi lvl lvs lvv lyl lys sbb sbi sbl sbs sbv sby sib sii sil sis siv slb sli sll sls slv sly ss- ssb ssi ssl sss ssv svb svi svl svs svv svy sy- syb syi syl sys vbi vbl vbs vbv vi- vib vii vil vis viv viy vl- vlb vll vls vlv vly vsb vsi vsl vss vsv vvb vvi vvs vvv vyl ybi ybl ybs yby yii yis yli yll yls yly ysb ysi ysl yss ysy yvi yvy yyb yys yyy