-ly b-u bbb bbi bbl bbr bbt bbu bby bi- bib bii bil bir bit biu biy blb bli bll blr blt blu bly brb bri brl brr brt bru bry btb bti btl btr btt btu bty bub bui bul bur but buu buy by- byi byl byr byt byu ibb ibi ibl ibr ibt ibu iby iib iii iil iir iit iiu il- ilb ili ill ilr ilt ilu ily ir- irb iri irl irr irt iru iry itb iti itl itt itu ity iu- iub iui iur iut iyr iyt iyy lbb lbi lbl lbr lbt lbu lib lii lil lir lit liu llb lli lll llr llt llu lly lrb lri lrr lrt lru lry ltb lti ltl ltr ltt ltu lub lui lul lur lut luu luy lyl lyr lyt rbb rbi rbl rbr rbt rbu rib rii ril rir rit riy rli rll rlr rlt rlu rly rrb rri rrl rrr rrt rru rtb rti rtl rtr rtt rtu rty rub rui rur rut ruu ruy ry- ryr ryu ryy tbb tbi tbl tbr tbt tbu tib tii til tir tit tiu tiy tli tll tlr tlt tlu trb tri trl trr trt tru try ttb tti ttl ttr ttt ttu tty tub tui tul tur tut tuu tuy tyl tyr tyt ubb ubi ubl ubr ubt ubu uby uib uii uil uir uit uiu ulb uli ull ulr ult ulu uly ur- urb uri url urr urt uru ury utb uti utl utr utt utu uty uur uut uuu uyi uyu ybi ybl ybr yby yii yir yit yli yll ylr ylt yly yrt yru ytl ytr ytt ytu yui yul yur yut yuu yuy yyb yyt yyu yyy