-ol b-u bbb bbf bbl bbo bbs bbt bbu bfb bff bfl bfo bfs bft bfu blb blf bll blo bls blt blu bob bof bol boo bos bot bou bsb bsf bsl bso bss bst bsu btb btf btl bto bts btt btu bub buf bul buo bus but buu fbb fbf fbl fbo fbs fbt fbu fff ffl ffo ffs fft ffu flb flf fll flo fls flt flu fob fof fol foo fos fot fou fsb fsf fsl fso fss fst fsu ftb ftf ftl fto fts ftt ftu fub fuf ful fuo fus fut fuu lbb lbf lbl lbo lbs lbt lbu lfb lff lfl lfo lfs lft lfu llb llf lll llo lls llt llu lob lof lol loo los lot lou lsb lsf lsl lso lss lst lsu ltb ltf ltl lto lts ltt ltu lub luf lul luo lus lut luu ob- obb obf obl obo obs obt obu of- ofb off ofl ofo ofs oft ofu olb olf oll olo ols olt olu oo- oob oof ool ooo oos oot os- osb osf osl oso oss ost osu ot- otb otf otl oto ots ott otu ou- ouf oul ouo ous out sbb sbf sbl sbo sbs sbt sbu sfb sff sfl sfo sfs sft sfu slb slf sll slo sls slt slu sob sof sol soo sos sot sou ss- ssb ssf ssl sso sss sst ssu stb stf stl sto sts stt stu sub suf sul suo sus sut suu tbb tbf tbl tbo tbs tbt tbu tfb tff tfl tfo tfs tft tfu tlf tll tlo tls tlt tlu to- tob tof tol too tos tot tou tsb tsf tsl tso tss tst tsu ttb ttf ttl tto tts ttt ttu tub tuf tul tuo tus tut tuu ubb ubf ubl ubo ubs ubt ubu uff ufl ufo ufs uft ufu ulb ulf ull ulo uls ult ulu uob uol uoo uos uot usb usf usl uso uss ust usu utb utf utl uto uts utt utu uus uut uuu

-ous bbbb bbbs bblb bbls bffl bffs bfts bftt blbt blls blob bloo blot blou blss blst blts blub bluf blus blut bobb bobo bobs bobu boff bofs bofu boll bolo bols bolt bolu boob boof bool boos boot boso boss bost bosu botb boto bots bott bouf boul bous bout bsff bsfs bsos bsts btob btss bttb btus bubb bubo bubs bubu buff bufo bulb bull buls bult bulu buol buss bust busu but- buto buts butt buus fbus ffff ffss fftf flob floo flos flot flou flts flub fluf fluo flus fobs fobt fofo foll folo fols folt foof fool foos foot fosb foso foss fost foto fots fott foul fous fout fsfo fssf ft-l ftlb ftos ftub fubb fubs fubu fuff fufu full fuls fulu fuso fuss fust fusu futo futs futu lbos lfts llbs llll lloo lob- lobb lobo lobs loff loft loll lolo lols loob loof lool loos loot loso loss lost lotl loto lots lott loul lous lout louu lsbu lsof lsso lsts ltbf ltbl lubs luff luft lufu lull lulu luso luss lust luts obbo obls oblu obol obos obot obss obst obts obus off- offo offs offu ofst ofus olbo olfs ollo olof olos olot olst oltu ooff oofs oolo oooo ooos oost ootb oots oous oslo osoo osos ossb osso ossu osts osul otbs oto- otof otoo otos otso otsu otto otts ottu otus oubs ouff ouls oulu oust out- outb outo outs ouu- s-os sbbs sbot sbst sbus sfls sfos sfss sfsu sfts slft slob sloo slos slot slst slsu slts slub slut sobo sobs sobt sobu sofo soft solf soll solo sols solt soof sool soos soot soso soss sost sotl soto sots sotu souf soul sous sout ssfl sslt ssot sssb sssf ssss sstb sstl ssts stbs stfu stlo stlt stob stof stol stoo stos stot stou stsf stss stub stuf stul stus stut sub- subb subl subo subs suf- suff sufs sufu sul- sulf sull sulo sult sulu suos sus- suso suss sust susu suto sutu suus tbbs tbst tfot tfss tlos tobo tobs tobt tobu toff tofo toft tofu tol- toll tolo tolt tolu toof tool toos toot tosb toso toss tost tosu toto tots tott toul tous tout tsfl tsob tsol tsos tsou tssf tsst tsts ttbb ttff ttss tttt ttul tubb tubo tubs tubu tuff tufo tuft tufu tull tulo tulu tuos tuss tust tutl tuto tuts tutt tutu tuuo ubbo ublo ubls ubos ubtf ufos ulft ullo ulo- ulos ulto ults ultt ulul ulus uofl uofo usbl usbs usfl usfs uslu usos ussb ussf usss usst ussu ustb usto usts usul usus utfo utsl utto uttu uulu uutf uuuu

bbuss blobs bloso bloss bloto blots blott blout blubs bluff bluft bluto bo-bo bobos bobst bobts boffo boffs boll- bollo bolls bollu bolos bolto bolts bolus boobs boofs bools boost boots bosso bosut botos botou botts bottu botus boul- boulo bouls boult boust bouto bouts bsoft bsous btstu buffo buffs bufos bulb- bulbs bull- bulls bulou bulto bulul bulus bulut buolt busot busso bussu busto busts busut busuu buto- butot butou butts butuo butut flobs floss floto flout flubs fluff fluo- fluss fofos follo fools foots fotos fotus fouls foust fouts ft-lb ftlbs fu-fu fubbs fubus fuffs fullf fullo fulls fults fuso- fusts fusus futsu lobbo lobo- lobos lobus lofos lofou lofts lollo lolls lolol lolos loobu looft lools loosu loots lostl losts lotof lotos lotso lotto lotts lotus louss loust louts lubos luffs lulls lulul lulus luso- lusso lusts lusus lutol lutsu lutto oblos obolo obols obout obtus offof offto oflos ofosu ofoto olfus olost olots olotu olous oltos ooooo ootus ososo osslt ossos osusu otolo otoso ototo ottos otulu oubut oullo ousts outof outto outts s-bot s-bus sfouf slobo slobs sloff sloos sloot sloss slots slsts slubs sluff sluss sluts so-lo so-so sobol softs solos solus solut soolu soots soss- sosto sosus sotol sotoo sotos sotsu sotto sotts souff soulo souls