-ly b-u bbb bbf bbi bbl bbs bbu bby bfb bff bfi bfl bfs bfu bfy bi- bib bif bii bil bis biu biy blb blf bli bll bls blu bly bsb bsf bsi bsl bss bsu bsy bub buf bui bul bus buu buy by- byf byi byl bys byu fbb fbf fbi fbl fbs fbu fff ffi ffl ffs ffu ffy fib fif fii fil fis fiu flb flf fli fll fls flu fly fsb fsf fsi fsl fss fsu fub fuf fui ful fus fuu fy- fyb fyi i-f ibb ibf ibi ibl ibs ibu iby ifb iff ifi ifl ifs ifu ify iib iif iii iil iis iiu il- ilb ilf ili ill ils ilu ily is- isb isf isi isl iss isu isy iu- iub iui ius iys iyy lbb lbf lbi lbl lbs lbu lfb lff lfi lfl lfs lfu lib lif lii lil lis liu llb llf lli lll lls llu lly lsb lsf lsi lsl lss lsu lub luf lui lul lus luu luy lyf lyl lys sbb sbf sbi sbl sbs sbu sby sfb sff sfi sfl sfs sfu sib sif sii sil sis siu slb slf sli sll sls slu sly ss- ssb ssf ssi ssl sss ssu sub suf sui sul sus suu suy sy- syb syi syl sys syu ubb ubf ubi ubl ubs ubu uby uff ufi ufl ufs ufu uib uif uii uil uis uiu ulb ulf uli ull uls ulu uly usb usf usi usl uss usu uus uuu uyi uys uyu ybf ybi ybl ybs yby yff yfs yfu yif yii yis yli yll yls yly ysb ysi ysl yss ysu ysy yui yul yus yuu yuy yyb yyf yys yyu yyy