-ol b-u bbb bbd bbf bbl bbo bbr bbt bbu bdb bdd bdf bdl bdo bdr bdt bdu bfb bfd bff bfl bfo bfr bft bfu blb bld blf bll blo blr blt blu bob bod bof bol boo bor bot bou brb brd brf brl bro brr brt bru btb btd btf btl bto btr btt btu bub bud buf bul buo bur but buu dbb dbd dbf dbl dbo dbr dbt dbu ddb ddd ddf ddl ddo ddr ddt ddu dfb dfd dff dfl dfo dfr dft dfu dl- dlb dld dlf dll dlo dlr dlt dlu dob dod dof dol doo dor dot dou drb drd drl dro drr drt dru dtb dtd dtf dtl dto dtr dtt dtu dub dud duf dul duo dur dut fbb fbd fbf fbl fbo fbr fbt fbu fdb fdd fdf fdl fdo fdr fdt fdu ffd fff ffl ffo ffr fft ffu flb fld flf fll flo flr flt flu fob fof fol foo for fot fou frb frd frf frl fro frr frt fru ftb ftd ftf ftl fto ftr ftt ftu fub fud fuf ful fuo fur fut fuu lbb lbd lbf lbl lbo lbr lbt lbu ldb ldd ldf ldl ldo ldr ldt ldu lfb lfd lff lfl lfo lfr lft lfu llb lld llf lll llo llr llt llu lob lod lof lol loo lor lot lou lrb lrd lrf lro lrr lrt lru ltb ltd ltf ltl lto ltr ltt ltu lub lud luf lul luo lur lut luu ob- obb obd obf obl obo obr obt obu odb odd odf odl odo odr odt odu of- ofb ofd off ofl ofo ofr oft ofu olb old olf oll olo olt olu oo- oob ood oof ool ooo oor oot or- orb ord orf orl oro orr ort oru ot- otb otd otf otl oto otr ott otu ou- oud ouf oul ouo our out rbb rbd rbf rbl rbo rbr rbt rbu rdb rdd rdf rdl rdo rdr rdt rdu rfb rfd rff rfl rfo rfr rft rfu rld rlf rll rlo rlr rlt rlu rob rod rof rol roo ror rot rou rrb rrd rrf rrl rrr rrt rru rtb rtd rtf rtl rto rtr rtt rtu rub rud ruf ruo rur rut ruu tbb tbd tbf tbl tbo tbr tbt tbu tdb tdd tdf tdl tdo tdr tdt tdu tfb tfd tff tfl tfo tfr tft tfu tld tlf tll tlo tlr tlt tlu to- tob tod tof tol too tor tot tou trb trd trf trl tro trr trt tru ttb ttd ttf ttl tto ttr ttt ttu tub tud tuf tul tuo tur tut tuu ubb ubf ubl ubo ubr ubt ubu udb udd udf udl udo udr udt udu ufd uff ufl ufo ufr uft ufu ulb uld ulf ull ulo ulr ult ulu uob uod uol uoo uor uot ur- urb urd urf url uro urr urt uru utb utd utf utl uto utr utt utu uur uut uuu

bbbb bbdd bbdo bblb bd-r bduf bffl bftt blbt bldr blob blod bloo blot blou blub blud bluf blur blut bobb bobo bobu bodb bodo bodu bofd boff bofu bold boll bolo bolt bolu boob bood boof bool boor boot bor- bord borf boro borr bort boru botb botd boto bott boud bouf boul bour bout brdo brdt brfu brob brod brol broo bror brot brou brrr brud brut btdt btob btor btrt bttb bubb bubo bubu budb budd budl budo budu buff bufo bufr bulb buld bull bult bulu buol bur- burb burd burl buro burr burt buru but- buto butt d-bo dbfo dbtt dddd ddot ddub dfdt dfrf dftr dlbd dobb dobl dobu dod- dodd dodo doff dold dolf doll dolo dolt dolu doob dood doof dool door doot dord dorf doro dorr dort doru dotd doto dott doub doud douf doul dour dout drob drod drof drol drot drou drub drut druu dtor dtot dtrl dub- dubb dubu dudd dudo dudu duff dufu dull dulo dult dulu duo- duro durt duru duul duur duut fdlr fdot fdtl ffff ffrr fftf fldr flob flod floo flor flot flou flub flud fluf fluo flur fobt fofo fold foll folo folr folt food foof fool foot for- forb ford forl foro forr fort foto fott foud foul four fout frob frol frot frou frub ft-l ftlb ftub fubb fubu fudd fuff fufu full fulu fuor fur- furl furo furr furt futo futu lblr lbrt lfrd lldb llll llod lloo llud lob- lobb lobo loff loft lold loll lolo loob lood loof lool loor loot lord loro lotd lotl loto lotr lott loud loul lour lout louu lrdd lrrr ltbf ltbl lttr ludd ludo luff luft lufu lull lulu lurd lurt obbo obdt oblu obol obor obot obro obtd odbo oddd odoo odor odot odou odrl odtu odur ofdr off- offo offr offu ofor olbo oldb ollo olof olor olot oltu olur ooff oold oolo oooo oord oort ootb orbb orbo orbu ordo ordu orff orfu orlo orlu oro- orof oror orot orro orto orub otbd oto- otof otoo otor otro otto ottu otur ouff ould oulu our- ouro ourt out- outb outo ouu- rbbb rbbr rffl rldt rob- robb robo robt robu rodd rodo roff rofl rofo rold rolf roll rolo rolt roob rood roof rool roor root roro rort roru rotl roto rotr rott roub roud rouf roul rout rrrr rtbf rtdt rtfb rtlt rubb rubu rudd rudl rudo ruff rufo ruft rull rulo rurd ruro ruru rutl ruto rutt rutu ruud tbrb tddb tdff tdor tfot tldr tobo tobt tobu todd todo todt todu toff tofo toft tofu tol- told toll tolo tolt tolu tood toof tool toor toot tord torf toro torr tort toru totd toto totr tott toul tour tout trfd trfr trod troo trot trou trtr trub trud trut truu ttbb ttff tttt ttul tubb tubo tubr tubu tudu tuff tufo tuft tufu tull tulo tulu tuor turb turd turf turo turr turt turu