-ol bbb bbd bbf bbl bbo bbr bbs bbt bdb bdd bdf bdl bdo bdr bds bdt bfb bfd bff bfl bfo bfr bfs bft blb bld blf bll blo blr bls blt bob bod bof bol boo bor bos bot brb brd brf brl bro brr brs brt bsb bsd bsf bsl bso bsr bss bst btb btd btf btl bto btr bts btt dbb dbd dbf dbl dbo dbr dbs dbt ddb ddd ddf ddl ddo ddr dds ddt dfb dfd dff dfl dfo dfr dfs dft dl- dlb dld dlf dll dlo dlr dls dlt dob dod dof dol doo dor dos dot drb drd drl dro drr drs drt dsb dsd dsf dsl dso dsr dss dst dtb dtd dtf dtl dto dtr dts dtt fbb fbd fbf fbl fbo fbr fbs fbt fdb fdd fdf fdl fdo fdr fds fdt ffd fff ffl ffo ffr ffs fft flb fld flf fll flo flr fls flt fob fof fol foo for fos fot frb frd frf frl fro frr frs frt fsb fsd fsf fsl fso fsr fss fst ftb ftd ftf ftl fto ftr fts ftt lbb lbd lbf lbl lbo lbr lbs lbt ldb ldd ldf ldl ldo ldr lds ldt lfb lfd lff lfl lfo lfr lfs lft llb lld llf lll llo llr lls llt lob lod lof lol loo lor los lot lrb lrd lrf lro lrr lrs lrt lsb lsd lsf lsl lso lsr lss lst ltb ltd ltf ltl lto ltr lts ltt ob- obb obd obf obl obo obr obs obt odb odd odf odl odo odr ods odt of- ofb ofd off ofl ofo ofr ofs oft olb old olf oll olo ols olt oo- oob ood oof ool ooo oor oos oot or- orb ord orf orl oro orr ors ort os- osb osd osf osl oso osr oss ost ot- otb otd otf otl oto otr ots ott rbb rbd rbf rbl rbo rbr rbs rbt rdb rdd rdf rdl rdo rdr rds rdt rfb rfd rff rfl rfo rfr rfs rft rld rlf rll rlo rlr rls rlt rob rod rof rol roo ror ros rot rrb rrd rrf rrl rrr rrs rrt rsb rsd rsf rsl rso rsr rss rst rtb rtd rtf rtl rto rtr rts rtt sbb sbd sbf sbl sbo sbr sbs sbt sdb sdd sdf sdl sdo sdr sds sdt sfb sfd sff sfl sfo sfr sfs sft slb sld slf sll slo slr sls slt sob sod sof sol soo sor sos sot sr- srb srd srf srl sro srr srs srt ss- ssb ssd ssf ssl sso ssr sss sst stb std stf stl sto str sts stt tbb tbd tbf tbl tbo tbr tbs tbt tdb tdd tdf tdl tdo tdr tds tdt tfb tfd tff tfl tfo tfr tfs tft tld tlf tll tlo tlr tls tlt to- tob tod tof tol too tor tos tot trb trd trf trl tro trr trs trt tsb tsd tsf tsl tso tsr tss tst ttb ttd ttf ttl tto ttr tts ttt

bbbb bbbs bbdd bbdo bblb bbls bd-r bdls bdos bdsd bffl bffs bfsr bfts bftt blbt bldr blls blob blod bloo blot blss blst blts bobb bobo bobs bodb bodo bods bofd boff bofs bold boll bolo bols bolt boob bood boof bool boor boos boot bor- bord borf boro borr bors bort boso boss bost botb botd boto bots bott brdo brds brdt brls brob brod brol broo bror bros brot brrr brrs brsb brsr brst bsbd bsdl bsff bsfs bsod bsos bsrd bssd bsts btdt btob btor btrt btss bttb d-bo dbfo dbfs dbls dbos dbrs dbss dbtt dddd ddot ddss ddts dfds dfdt dfrf dftr dfts dlbd dlos dlrs dlst dobb dobl dobs dod- dodd dodo dods doff dold dolf doll dolo dols dolt doob dood doof dool door doos doot dord dorf doro dorr dors dort doso doss dost dotd doto dots dott drob drod drof drol drot drrs dsdr dsls dsos dsrr dsst dsto dsts dtor dtot dtrl dtss fbrs fbsd fdlr fdos fdot fdst fdtl ffff ffrr ffss fftf fldr flob flod floo flor flos flot flts fobs fobt fofo fold foll folo folr fols folt food foof fool foos foot for- forb ford forl foro forr fors fort fosb foso foss fost foto fots fott frob frol fros frot frsb frso frst fsfo fssf ft-l ftlb ftos ftrs ftsr lbds lblr lbos lbrs lbrt ldls ldos ldrs lfrd lfts llbs lldb llds llll llod lloo lob- lobb lobo lobs lods loff loft lold loll lolo lols loob lood loof lool loor loos loot lord loro lors loso loss lost lotd lotl loto lotr lots lott lrdd lrds lrrr lrst lrts ls-r lsds lsof lsso lssr lsts ltbf ltbl ltds ltrs ltsr lttr obbo obdt obls obol obor obos obot obro obsd obsr obss obst obtd obts odbo oddd odds odoo odor odos odot odrl odso odts ofdr off- offo offr offs ofor ofst olbo oldb olds olfs ollo olof olor olos olot olst ooff oofs oold oolo oooo ooos oord oort oost ootb oots orbb orbo orbs ordo ords orff orfs orlo oro- orof oror oros orot orro orrs orso orto orts oslo osoo osor osos osrd osro ossb ossd osso ostr osts otbd otbs oto- otof otoo otor otos otro otrs otso otto otts rbbb rbbr rbbs rbds rbsd rbsl rbss rbst rdos rdso rfds rffl rlds rldt rlls rob- robb robo robs robt rodd rodo rods roff rofl rofo rold rolf roll rolo rolt roob rood roof rool roor roos root roro rort roso ross rost rotl roto rotr rots rott rrrr rsdd rsdl rsds rsos rssl rsts rtbf rtdt rtfb rtls rtlt rtss rtts s-os sbbs sbds sbor sbot sbsd sbst sdds sdls sdlt sdot sdrs sdsf sdsl sdss sfls sfor sfos sfro sfss sfts slds slft slob slod sloo slos slot slrs slst slts sobo sobr sobs sobt sodd sodo sods sofo soft sold