-ly -ol bbb bbd bbk bbl bbo bbr bbs bby bdb bdd bdk bdl bdo bdr bds bdv bdy bkb bkk bkl bko bkr bks bkv blb bld blk bll blo blr bls blv bly bob bod bok bol boo bor bos bov boy brb brd brk brl bro brr brs brv bry bsb bsd bsk bsl bso bsr bss bsv bsy bvb bvd bvk bvl bvo bvr bvs bvv by- byd byk byl byo byr bys dbb dbd dbk dbl dbo dbr dbs dbv dby ddb ddd ddk ddl ddo ddr dds ddy dkb dkk dkl dko dkr dks dl- dlb dld dlk dll dlo dlr dls dlv dly dob dod dok dol doo dor dos dov doy drb drd drk drl dro drr drs drv dry dsb dsd dsk dsl dso dsr dss dsv dsy dvb dvd dvk dvl dvr dvs dy- dyb dyd dyk dyo dyr dys dyy kbb kbd kbk kbl kbo kbr kbs kdb kdk kdl kdo kdr kds kdy kkb kkk kkl kkr kks kkv kky kl- klb kld klo klr kls klv kly kob kod kok kol koo kor kos koy krd krk krl kro krr krs krv kry ksb ksd ksk ksl kso ksr kss ksv kvb kvk kvo kvr kvs kvv kyd kyl kyo kyr kys lbb lbd lbk lbl lbo lbr lbs lbv ldb ldd ldk ldl ldo ldr lds ldv ldy lkb lkl lkr lks lky llb lld llk lll llo llr lls llv lly lob lod lok lol loo lor los lov loy lrb lrd lrk lro lrr lrs lrv lry lsb lsd lsk lsl lso lsr lss lsv lvb lvd lvl lvr lvs lvv lyd lyk lyl lyo lyr lys ob- obb obd obk obl obo obr obs obv oby odb odd odl odo odr ods odv okb okd okk okl oko okr oks olb old olk oll olo ols oly oo- oob ood ook ool ooo oor oos oov or- orb ord ork orl oro orr ors orv ory os- osb osd osk osl oso osr oss osv ov- ovb ovd ovl ovo ovs ovv oyd oyl oyo oys rbb rbd rbk rbl rbo rbr rbs rdb rdd rdl rdo rdr rds rdv rdy rkb rkk rko rks rkv rky rld rll rlo rlr rls rly rob rod rok rol roo ror ros rov roy rrb rrd rrk rrl rrr rrs rsb rsd rsk rsl rso rsr rss rsv rvb rvd rvl rvo rvr rvs rvv rvy ry- ryd ryk ryo ryr rys ryy sbb sbd sbk sbl sbo sbr sbs sbv sby sdb sdd sdk sdl sdo sdr sds sdv sdy sk- skb skd skk skl sko skr sks sky slb sld slk sll slo slr sls slv sly sob sod sok sol soo sor sos sov soy sr- srb srd srk srl sro srr srs srv sry ss- ssb ssd ssk ssl sso ssr sss ssv svb svd svk svl svo svr svs svv svy sy- syb syd syk syl syr sys vbd vbk vbl vbo vbr vbs vbv vdb vdd vdk vdl vdo vdr vds vdv vkb vl- vlb vld vlk vll vlo vls vlv vly vob vod vok vol voo vor vos vov voy vrb vrd vrk vrr vrs vry vsb vsd vsk vsl vso vsr vss vsv vvb vvo vvr vvs vvv vyd vyl ybl ybr ybs yby ydl ydo yds ydy ykk yld ylk yll ylr yls yly yob yod yok yol yoo yor yos yoy yro yrs ysb ysk ysl yso ysr yss ysy yvo yvr yvy yyb yys yyy