-ol b-u bbb bbf bbl bbn bbo bbr bbu bfb bff bfl bfn bfo bfr bfu blb blf bll bln blo blr blu bnb bnf bnl bnn bno bnr bnu bob bof bol bon boo bor bou brb brf brl brn bro brr bru bub buf bul bun buo bur buu fbb fbf fbl fbn fbo fbr fbu fff ffl ffn ffo ffr ffu flb flf fll fln flo flr flu fnb fnf fnl fnn fnr fnu fob fof fol fon foo for fou frb frf frl frn fro frr fru fub fuf ful fun fuo fur fuu lbb lbf lbl lbo lbr lbu lfb lff lfl lfn lfo lfr lfu llb llf lll lln llo llr llu lnb lnl lnn lno lnr lnu lob lof lol lon loo lor lou lrb lrf lrn lro lrr lru lub luf lul lun luo lur luu nbb nbf nbl nbn nbo nbr nbu nfb nff nfl nfn nfo nfr nfu nlb nlf nll nln nlo nlr nlu nnb nnf nnl nnn nno nnu no- nob nof nol non noo nor nou nrb nrf nrl nrn nro nrr nru nub nul nun nuo nur nuu ob- obb obf obl obn obo obr obu of- ofb off ofl ofn ofo ofr ofu olb olf oll oln olo olu on- onb onf onl onn ono onr onu oo- oob oof ool oon ooo oor or- orb orf orl orn oro orr oru ou- ouf oul oun ouo our rbb rbf rbl rbn rbo rbr rbu rfb rff rfl rfn rfo rfr rfu rlf rll rln rlo rlr rlu rnb rnn rno rnr rnu rob rof rol ron roo ror rou rrb rrf rrl rrn rrr rru rub ruf run ruo rur ruu ubb ubf ubl ubn ubo ubr ubu uff ufl ufn ufo ufr ufu ulb ulf ull uln ulo ulr ulu un- unb unf unl unn uno unr unu uob uol uon uoo uor ur- urb urf url urn uro urr uru uun uur uuu

bbbb bbfn bblb bffl blno blob blon bloo blou blub bluf blur bnor bnrr bobb bobo bobu boff bofu boll boln bolo bolu bonn bono bonu boob boof bool boon boor bor- borf born boro borr boru bouf boul boun bour brfu brno brob brol bron broo bror brou brrr brun bubb bubo bubu buff bufo bufr bulb bull bulu bunb bunn buno bunu buol buon bur- burb burl burn buro burr buru ffff ffrr ffun flnb flob flon floo flor flou flub fluf fluo flur fnuf fofo foll folo folr fono foof fool foon for- forb forl forn foro forr foul foun four frob frol fron frou frub frun fubb fubu fuff fufu full fulu funf fuor fur- furl furn furo furr lblr llll lloo lob- lobb lobo loff lofn loll lolo lono lonr loob loof lool loon loor lorn loro loul loun lour louu lron lrrr luff lufu lull lulu lunn luno nbbo nbfl nbuf nfff nfon nlrb nnnn nobo nobu nolf noll nolo non- nonn nono nonu noo- noob nool noon nooo noor nor- norb norf norn noro norr noul noun nour nrlb nron nrrl nubl nuff null nunn nuno nuon nurl nurn nurr nuru obbo oblu obol obon obor obro off- offo offr offu ofno ofor olbo ollo olof olon olor olur onlf onno onon onor onur ooff oolo oooo orbb orbo orbu orff orfu orlo orlu orno oro- orof oron oror orro orub ouff oulu oun- our- ourn ouro ouu- rbbb rbbr rffl rnbr rob- robb robo robu roff rofl rofo rolf roll rolo rono roob roof rool roon roor roro roru roub rouf roul roun rrrr rrun rubb rubu ruff rufo rull rulo runf runn runo ruro ruru ruun ubbo ublo ubon ullo ullr ulno ulo- ulul unlf unno unon unrf unro uofl uofo uor- urff uro- urol uroo urun urur uulu uuno uuuu

bloor blorb bluff blufr blurb blurr bo-bo bobr boffo boll- bollo bollu bolno bolon bonon bonou boorn booru borbo born- borno bornu boro- boron boroo borou borro borul borun boul- boulo bourn brobo broll brolo bronn brool broon broun brrrr bruff brull brunn bruno bruun bubon buffo bulb- bull- bulou bulul bulun bunun buono burn- burol buron buroo burro burru burun floor florn floro floru flour fluff fluo- fluon fluor flurb flurn flurr follo folon forno forro forur fourb fouro frorn fu-fu fullf fullo fuorn furbo furo- furor l-ron lobbo lobo- lobon lobor lofou lollo lolol loobu loron lorun louro lubno lubon lubun lubur lulul lurun nnooo no-no nobob nobol nobuo nofor nofou nofun non-u nonno noonu norbu noron norro norun nroff nu-nu nullo nunon nunun nuoro nurlu nurun o-bon o-r-b oblon obolo oboro offof offon offun ofono oforn ofour ollon ollur olour onoff onoon onorn onour ooooo orfor orful orlon ornon orobo orolu orono oruro oullo oulon oulun ouoro ourno ourol ro-ro robbo robo- robon robor robun robur rofor rolfo rollo rolon ronno rorbu roull rubof rubon rubor ruffo rufo- rufol rullo rulon runo- runof runon ubobo ufofu uforb ullur ulno- ululu uluru unfun unfur unnun unnur unoor unorn unrol unrun unurn uroob urour urubu uuuuu

b-roll bbbbbb blubbo blublu bobrun bolbol bolbro bolobo bololo bonbon bonfol bonnor bonobo booboo borbon borbor bornof bornon bororo boubou boulon boulou bounou bourou bronno brubru brulon bruron buborn bububu buffol buffon bufolo bulbo- bulbul bullon bullou bulolo bunol burbur burnou burolo fluor- fluoro foboff foofoo foofur forbon forfun foufou fourof fourou frbroo frollo fullof fullon funoon funorb funrun furfur furour furrfu furuno lloro lobolo loburn lolobo loloru lonnol looloo loulon loulou lourlo lubbon lubbor lufful lunlun lurulu noboru nobull nofool noforn non-no nonono nonoon noonoo noonor noroff noroof nounou null-o nullor nurulu obolno obolon of-run oloron olorun on-off onroll oooooo orloff orobol orrour ouolon ouroun robolo roflol rollon roloff ronnon ronron rouful rounou rubbon rublon ruboff rubro- run-on runfor runoff ruurlo ulloor unblur unborn unburn unfool unfoul unfull unfurl unlull unroll unroof urnful

bbbbbbb bon-bon boo-boo bornuur borobul bouffon boufoon boulbon bourbon bourlon bourrou buffolo buffoon bullrun burnoff burnouf burunlu floroon