-ol b-u bbb bbd bbf bbl bbo bbr bbu bdb bdd bdf bdl bdo bdr bdu bfb bfd bff bfl bfo bfr bfu blb bld blf bll blo blr blu bob bod bof bol boo bor bou brb brd brf brl bro brr bru bub bud buf bul buo bur buu dbb dbd dbf dbl dbo dbr dbu ddb ddd ddf ddl ddo ddr ddu dfb dfd dff dfl dfo dfr dfu dl- dlb dld dlf dll dlo dlr dlu dob dod dof dol doo dor dou drb drd drl dro drr dru dub dud duf dul duo dur fbb fbd fbf fbl fbo fbr fbu fdb fdd fdf fdl fdo fdr fdu ffd fff ffl ffo ffr ffu flb fld flf fll flo flr flu fob fof fol foo for fou frb frd frf frl fro frr fru fub fud fuf ful fuo fur fuu lbb lbd lbf lbl lbo lbr lbu ldb ldd ldf ldl ldo ldr ldu lfb lfd lff lfl lfo lfr lfu llb lld llf lll llo llr llu lob lod lof lol loo lor lou lrb lrd lrf lro lrr lru lub lud luf lul luo lur luu ob- obb obd obf obl obo obr obu odb odd odf odl odo odr odu of- ofb ofd off ofl ofo ofr ofu olb old olf oll olo olu oo- oob ood oof ool ooo oor or- orb ord orf orl oro orr oru ou- oud ouf oul ouo our rbb rbd rbf rbl rbo rbr rbu rdb rdd rdf rdl rdo rdr rdu rfb rfd rff rfl rfo rfr rfu rld rlf rll rlo rlr rlu rob rod rof rol roo ror rou rrb rrd rrf rrl rrr rru rub rud ruf ruo rur ruu ubb ubf ubl ubo ubr ubu udb udd udf udl udo udr udu ufd uff ufl ufo ufr ufu ulb uld ulf ull ulo ulr ulu uob uod uol uoo uor ur- urb urd urf url uro urr uru uur uuu

bbbb bbdd bbdo bblb bd-r bduf bffl bldr blob blod bloo blou blub blud bluf blur bobb bobo bobu bodb bodo bodu bofd boff bofu bold boll bolo bolu boob bood boof bool boor bor- bord borf boro borr boru boud bouf boul bour brdo brfu brob brod brol broo bror brou brrr brud bubb bubo bubu budb budd budl budo budu buff bufo bufr bulb buld bull bulu buol bur- burb burd burl buro burr buru d-bo dbfo dddd ddub dfrf dlbd dobb dobl dobu dod- dodd dodo doff dold dolf doll dolo dolu doob dood doof dool door dord dorf doro dorr doru doub doud douf doul dour drob drod drof drol drou drub druu dub- dubb dubu dudd dudo dudu duff dufu dull dulo dulu duo- duro duru duul duur fdlr ffff ffrr fldr flob flod floo flor flou flub flud fluf fluo flur fofo fold foll folo folr food foof fool for- forb ford forl foro forr foud foul four frob frol frou frub fubb fubu fudd fuff fufu full fulu fuor fur- furl furo furr lblr lfrd lldb llll llod lloo llud lob- lobb lobo loff lold loll lolo loob lood loof lool loor lord loro loud loul lour louu lrdd lrrr ludd ludo luff lufu lull lulu lurd obbo oblu obol obor obro odbo oddd odoo odor odou odrl odur ofdr off- offo offr offu ofor olbo oldb ollo olof olor olur ooff oold oolo oooo oord orbb orbo orbu ordo ordu orff orfu orlo orlu oro- orof oror orro orub ouff ould oulu our- ouro ouu- rbbb rbbr rffl rob- robb robo robu rodd rodo roff rofl rofo rold rolf roll rolo roob rood roof rool roor roro roru roub roud rouf roul rrrr rubb rubu rudd rudl rudo ruff rufo rull rulo rurd ruro ruru ruud ubbo ublo ubod ubud udoo ullo ullr ulo- ulul uofl uofo uor- urdu urff uro- urol uroo urur uulu uuuu

bdoor blood bloor blorb bluff blufr blurb blurr bo-bo bobr bodd- bodor boffo boldf boldo boldu boll- bollo bollu boold boord booru borbo bordo boro- borod boroo borou borro borul boudu boul- bould boulo bourd brobo brodd brodo broll brolo brood brool broud brrrr brud- bruff brull buddu budur buffo bulb- bull- bulou bulul buord burol buroo burro burru burud d-rod ddddd do-do do-ol dobro dodol dodoo dodro dofor dollo dollu dolor doodo dorff dorud doufu doull douro drbob drobo droff droll drood droof drool droul dub-l dubbo dubul duddo dudou dufur dullu ffold flodd flood floor floro floru floud flour fludd fluff fluo- fluor flurb flurr fodor follo foodb foord ford- fordo forro forud forur fould fourb fourd fouro frodo frood froud fu-fu fuddu fullf fullo furbo furo- furor furud fuudo lobbo lobo- lobor loddo lodro lofou lollo lolol loobu loord lourd louro lubur luddu lulul o-r-b obodo obolo oboro obudu oddur odolo odoul odour odudu odulf oduro offof ofold ofour ollur olord olour ooooo ordro orfor orful orobo orodo orold orolu oruro oullo ouoro ourol rdllr ro-ro robbo robo- robor robur rodbo rodl rodor rofor rolfo rollo roodu rorbu roull rubof rubor ruffo rufo- rufol rullo u-dub ubobo udol udoll ufofu uforb ullur ululu uluru uroob urour urubu uuuuu

b-roll bbbbbb blubbo blublu bolbol bolbro boldur bolobo bololo booboo borbor bororo boubou boudou bould- boulou bourou brubru bububu buffol bufolo buford bulbo- bulbul buldoo buldur bullou bulolo burbur burdur burolo dododo dolfor dololo dolool dolour doolfu dorbod dorobo dorood dororo doudou doulou dourou dubdub dufour duldul dulful dululu floudd fluor- fluoro foboff folurd foofoo foofur forbod forold foufou fourof fourou frbroo frollo fulldo fullof furfur furour furrfu lloro lobolo lodurr lolobo loloru looloo lordof loulou lourlo lubbor lubdub ludolf ludorf lufful lurulu ofdoor offord oooooo oordoo ordoru orford orloff orobol orrour ourold robolo rodlo rodulf roflol roloff rouful ruboff rubro- rudolf rudrur ruurlo uboldo udburu udullu ufford ulloor urdorf

bbbbbbb bluford bobodol bolodou boo-boo bordour borobul boudofo bourrou broudur bruford buffolo bulford buludul burdour burford dob-dob dobrodo dodford dododou doo-doo doufulu dourdou dubford