-ly -ol b-u bbb bbi bbl bbo bbs bbu bby bi- bib bii bil bio bis biu biv biy blb bli bll blo bls blu blv bly bob boi bol boo bos bou bov boy bsb bsi bsl bso bss bsu bsv bsy bub bui bul buo bus buu buy bvb bvi bvl bvo bvs bvu bvv by- byi byl byo bys byu i-v ibb ibi ibl ibo ibs ibu ibv iby iib iii iil iio iis iiu il- ilb ili ill ilo ils ilu ilv ily io- iob ioi iol ioo ios iou iov is- isb isi isl iso iss isu isv isy iu- iub iui ius ivb ivi ivl ivo ivs ivu ivv ivy iyo iys iyy lbb lbi lbl lbo lbs lbu lbv lib lii lil lio lis liu liv llb lli lll llo lls llu llv lly lob loi lol loo los lou lov loy lsb lsi lsl lso lss lsu lsv lub lui lul luo lus luu luv luy lvb lvi lvl lvs lvv lyl lyo lys o-i ob- obb obi obl obo obs obu obv oby oib oii oil oio ois oiu oiv olb oli oll olo ols olu oly oo- oob ooi ool ooo oos oov os- osb osi osl oso oss osu osv ou- oui oul ouo ous ov- ovb ovi ovl ovo ovs ovv oyi oyl oyo oys sbb sbi sbl sbo sbs sbu sbv sby sib sii sil sio sis siu siv slb sli sll slo sls slu slv sly sob soi sol soo sos sou sov soy ss- ssb ssi ssl sso sss ssu ssv sub sui sul suo sus suu suv suy svb svi svl svo svs svu svv svy sy- syb syi syl sys syu ubb ubi ubl ubo ubs ubu ubv uby uib uii uil uio uis uiu ulb uli ull ulo uls ulu ulv uly uob uol uoo uos usb usi usl uso uss usu usv uus uuu uvb uvl uvo uvs uvu uvv uyi uyo uys uyu vbi vbl vbo vbs vbv vi- vib vii vil vio vis viu viv viy vl- vlb vll vlo vls vlv vly vob voi vol voo vos vou vov voy vsb vsi vsl vso vss vsu vsv vul vus vuv vvb vvi vvo vvs vvv vyl ybi ybl ybs yby yii yio yis yli yll yls yly yob yoi yol yoo yos you yoy ysb ysi ysl yso yss ysu ysy yui yul yuo yus yuu yuv yuy yvi yvo yvy yyb yys yyu yyy