-ly bbb bbi bbl bbm bbr bbs bbt bby bi- bib bii bil bim bir bis bit biy blb bli bll blm blr bls blt bly bmb bmi bml bmm bmr bms bmt brb bri brl brm brr brs brt bry bsb bsi bsl bsm bsr bss bst bsy btb bti btl btm btr bts btt bty by- byi byl bym byr bys byt ibb ibi ibl ibm ibr ibs ibt iby iib iii iil iim iir iis iit il- ilb ili ill ilm ilr ils ilt ily im- imb imi iml imm ims imt imy ir- irb iri irl irm irr irs irt iry is- isb isi isl ism isr iss ist isy itb iti itl itm its itt ity iym iyr iys iyt iyy lbb lbi lbl lbm lbr lbs lbt lib lii lil lim lir lis lit llb lli lll llm llr lls llt lly lmb lmi lml lmm lmr lms lmt lrb lri lrm lrr lrs lrt lry lsb lsi lsl lsm lsr lss lst ltb lti ltl ltm ltr lts ltt lyl lym lyr lys lyt m-r mbb mbi mbl mbm mbr mbs mbt mi- mib mii mil mim mir mis mit miy mlb mli mll mlm mlr mls mlt mmb mmi mml mmm mmr mms mmt mrb mri mrl mrm mrr mrs mrt mry msb msi msl msm msr mss mst msy mtb mti mtl mtm mtr mts mtt my- myb myl mym myr mys myt rbb rbi rbl rbm rbr rbs rbt rib rii ril rim rir ris rit riy rli rll rlm rlr rls rlt rly rmb rmi rml rmm rmr rms rmt rrb rri rrl rrm rrr rrs rrt rsb rsi rsl rsm rsr rss rst rtb rti rtl rtm rtr rts rtt rty ry- rym ryr rys ryy sbb sbi sbl sbm sbr sbs sbt sby sib sii sil sim sir sis sit slb sli sll slm slr sls slt sly smb smi sml smm smr sms smt smy sr- srb sri srl srm srr srs srt sry ss- ssb ssi ssl ssm ssr sss sst stb sti stl stm str sts stt sty sy- syb syi syl sym syr sys syt tbb tbi tbl tbm tbr tbs tbt tib tii til tim tir tis tit tiy tli tll tlm tlr tls tlt tmb tmi tml tmm tmr tms tmt tmy trb tri trl trm trr trs trt try tsb tsi tsl tsm tsr tss tst tsy ttb tti ttl ttm ttr tts ttt tty tyl tym tyr tys tyt ybi ybl ybm ybr ybs yby yii yim yir yis yit yli yll ylm ylr yls ylt yly ymi yml ymm yms ymt yrs yrt ysb ysi ysl ysm ysr yss yst ysy ytl ytm ytr yts ytt yyb yys yyt yyy