-ol bbb bbd bbk bbl bbo bbr bbs bdb bdd bdk bdl bdo bdr bds bdv bkb bkk bkl bko bkr bks bkv blb bld blk bll blo blr bls blv bob bod bok bol boo bor bos bov brb brd brk brl bro brr brs brv bsb bsd bsk bsl bso bsr bss bsv bvb bvd bvk bvl bvo bvr bvs bvv dbb dbd dbk dbl dbo dbr dbs dbv ddb ddd ddk ddl ddo ddr dds dkb dkk dkl dko dkr dks dl- dlb dld dlk dll dlo dlr dls dlv dob dod dok dol doo dor dos dov drb drd drk drl dro drr drs drv dsb dsd dsk dsl dso dsr dss dsv dvb dvd dvk dvl dvr dvs kbb kbd kbk kbl kbo kbr kbs kdb kdk kdl kdo kdr kds kkb kkk kkl kkr kks kkv kl- klb kld klo klr kls klv kob kod kok kol koo kor kos krd krk krl kro krr krs krv ksb ksd ksk ksl kso ksr kss ksv kvb kvk kvo kvr kvs kvv lbb lbd lbk lbl lbo lbr lbs lbv ldb ldd ldk ldl ldo ldr lds ldv lkb lkl lkr lks llb lld llk lll llo llr lls llv lob lod lok lol loo lor los lov lrb lrd lrk lro lrr lrs lrv lsb lsd lsk lsl lso lsr lss lsv lvb lvd lvl lvr lvs lvv ob- obb obd obk obl obo obr obs obv odb odd odl odo odr ods odv okb okd okk okl oko okr oks olb old olk oll olo ols oo- oob ood ook ool ooo oor oos oov or- orb ord ork orl oro orr ors orv os- osb osd osk osl oso osr oss osv ov- ovb ovd ovl ovo ovs ovv rbb rbd rbk rbl rbo rbr rbs rdb rdd rdl rdo rdr rds rdv rkb rkk rko rks rkv rld rll rlo rlr rls rob rod rok rol roo ror ros rov rrb rrd rrk rrl rrr rrs rsb rsd rsk rsl rso rsr rss rsv rvb rvd rvl rvo rvr rvs rvv sbb sbd sbk sbl sbo sbr sbs sbv sdb sdd sdk sdl sdo sdr sds sdv sk- skb skd skk skl sko skr sks slb sld slk sll slo slr sls slv sob sod sok sol soo sor sos sov sr- srb srd srk srl sro srr srs srv ss- ssb ssd ssk ssl sso ssr sss ssv svb svd svk svl svo svr svs svv vbd vbk vbl vbo vbr vbs vbv vdb vdd vdk vdl vdo vdr vds vdv vkb vl- vlb vld vlk vll vlo vls vlv vob vod vok vol voo vor vos vov vrb vrd vrk vrr vrs vsb vsd vsk vsl vso vsr vss vsv vvb vvo vvr vvs vvv

bbbb bbbs bbdd bbdo bblb bbls bd-r bdls bdos bdsd bldr blkb blkd blls blob blod blok bloo blss blvd bobb bobo bobs bodb bodo bods boko boks bold bolk boll bolo bols boob bood book bool boor boos bor- bord bork boro borr bors bosk boso boss bovo brdo brds brkb brls brob brod brok brol broo bror bros brrr brrs brsb brsr bsbd bsdl bsod bsos bsrd bssd bvds d-bo dbls dbos dbrs dbss dddd ddss dlbd dlos dlrs dlvo dobb dobl dobs dod- dodd dodo dods doko dold dolk doll dolo dols doob dood dook dool door doos dord dork doro dorr dors dosk doso doss drob drod drol drrs dsdr dsls dsos dsrr dsvd dvbs dvdr dvds dvor dvrs dvsr dvvl k-lo k-os kbbb kbbd kbbk kbbl kbbo kbbr kbbs kbdb kbdl kbdo kbdr kbds kbdv kbkb kbkk kbkl kbko kbkr kbkv kblb kbld kbll kblo kblr kbls kblv kbob kbod kbok kboo kbos kbov kbrb kbrd kbrk kbrl kbro kbrv kbsb kbsk kbso kbsr kbss kbsv kbvb kbvo kbvr kdbb kdbl kdbr kdbs kdbv kddb kddd kddk kddl kddr kdkb kdkd kdkk kdko kdkr kdlb kdld kdll kdlo kdlr kdls kdok kdov kdrb kdrl kdro kdrs kdrv kdsd kdsk kdsl kdsr kdss kdvb kdvl kdvr kdvs kdvv kkbb kkbd kkbl kkbo kkbr kkbs kkdd kkdl kkdo kkdv kkkk kklb kkld kkll kklo kkls kklv kkob kkol kkoo kkor kkov kkrb kkrk kkrl kkro kkrr kkrs kkrv kksd kksr kkss kkvr kkvv klbb klbd klbl klbs kldd kldr klds klkk klkl klko klkr klks klkv kllb kllk klls kllv klob klok klol kloo klor klos klov klrd klrk klrr klrs klsd klsr klsv klvb klvk klvl klvo klvs klvv kobb kobk kobo kobr kobs kodk kodl kodo kods kodv kokb kokk koko kokr koks kolb kold kolk koll kolo kolr kols kolv koob kook kool kooo koor koos koov korb kord kork korl koro korr kors korv kos- kosb kosd koso kosr koss kovk kovo kovr krbb krbd krbk krbl krbr krdd krdo krdr krds krkd krkk krko krkr krks krkv krld krlv krob krod krok krol kroo kror kros krov krrb krrk krrl krro krrr krrs krsd krsk krsl krsr krss krsv krvb krvk krvl krvo krvr krvs krvv ksbl ksbr ksbs ksbv ksdk ksdl ksdr ksds kskb kskd kskk ksko kskr ksks kslb ksld kslk ksll kslo kslr kslv ksob ksok ksol ksoo ksor ksos ksrb ksro ksrr ksrs ksrv kssl ksso kssr ksss ksvl ksvr kvbl kvbr kvkl kvlb kvld kvlo kvlr kvlv kvob kvod kvok kvol kvoo kvor kvov kvro kvrr kvrv kvsl kvso kvsr kvss kvsv kvvl kvvr kvvs kvvv lbds lblr lbos lbrs lddv ldls ldos ldrs lkrs llbs lldb llds llks llll llod lloo lo-v lob- lobb lobo lobs lods lokk loko lold loll lolo lols loob lood look lool loor loos lord lork loro lors loso loss lovo lrdd lrds lrrr ls-r lsds lsso lssr lsvd lvov lvrr lvsd lvsv obbo obkb obls obok obol obor obos obro obsd obsr obss obvs odbo oddd odds odoo odor odos odrl odso okko oklo okok okol okor okro okso olbo oldb olds ollo olor olos olov oold oolo oooo ooos oord orbb orbo orbs