-up b-p b-u bbb bbf bbo bbp bbs bbt bbu bfb bff bfo bfp bfs bft bfu bob bof boo bop bos bot bou bpb bpf bpo bpp bps bpt bpu bsb bsf bso bsp bss bst bsu btb btf bto btp bts btt btu bub buf buo bup bus but buu fbb fbf fbo fbp fbs fbt fbu fff ffo ffp ffs fft ffu fob fof foo fop fos fot fou fpb fpo fpp fps fpt fpu fsb fsf fso fsp fss fst fsu ftb ftf fto ftp fts ftt ftu fub fuf fuo fup fus fut fuu ob- obb obf obo obp obs obt obu of- ofb off ofo ofp ofs oft ofu oo- oob oof ooo oop oos oot op- opb opf opo opp ops opt os- osb osf oso osp oss ost osu ot- otb otf oto otp ots ott otu ou- ouf ouo oup ous out p-p pbb pbf pbo pbp pbs pbt pbu pfb pff pfo pfp pfs pft pfu pob pof poo pop pos pot pou ppb ppf ppo ppp pps ppt ppu ps- psb psf pso psp pss pst psu pt- ptb ptf pto ptp pts ptt ptu pub puf pup pus put puu sbb sbf sbo sbp sbs sbt sbu sfb sff sfo sfp sfs sft sfu sob sof soo sop sos sot sou spb spf spo spp sps spt spu ss- ssb ssf sso ssp sss sst ssu stb stf sto stp sts stt stu sub suf suo sup sus sut suu tbb tbf tbo tbp tbs tbt tbu tfb tff tfo tfp tfs tft tfu to- tob tof too top tos tot tou tpb tpf tpo tpp tps tpt tpu tsb tsf tso tsp tss tst tsu ttb ttf tto ttp tts ttt ttu tub tuf tuo tup tus tut tuu ubb ubf ubo ubp ubs ubt ubu uff ufo ufp ufs uft ufu uob uoo uop uos uot up- upb upf upo upp ups upt upu usb usf uso usp uss ust usu utb utf uto utp uts utt utu uus uut uuu

-ous bbbb bbbs bffs bfpo bfpp bfts bftt bobb bobo bobs bobu boff bofs bofu boob boof boop boos boot bopp bops boso boss bost bosu botb boto bots bott bouf boup bous bout bpot bpsu bptf bsff bsfs bsos bspp bsts bsup btbp btob btps btss bttb btus bubb bubo bubs bubu buff bufo bups buss bust busu but- buto buts butt buus fbop fbus ffff ffps ffss fftf fobs fobt fofo foof foos foot fopp fops fosb foso foss fost foto fotp fots fott foup fous fout fsfo fspf fssf fssp ftop ftos ftps ftub fubb fubs fubu fuff fufu fuso fuss fust fusu futo futs futu obbo obos obot obss obst obts obus off- offo offs offu ofst oftp ofus ooff oofs oooo ooos oops oost ootb ootp oots oous opo- opos oppo opps opsu opto opts opus osbp osoo osos ossb osso ossu osts otbs otfp oto- otof otoo otos otpp otso otsu otto otts ottu otus oubs ouff oust out- outb outo outs ouu- pbsp pfff pfft pfps pobo pobs poff poof poop poos poot pop- popo popp pops popt posb poso poss post potf poto pots pott potu pouf poup pous pout ppos pppo pppp ppps ppsf ppss ppts pptt psbt psfs psos psou pspp psps psso psst psts pstu ptop pubs pubu puff puft pups pupu puss pust put- puto puts putt putu s-os sbbs sbot sbsp sbst sbus sfos sfss sfsu sftp sfts sobo sobp sobs sobt sobu sofo soft soof soop soos soot sopo sopp sops sopu soso soss sost soto sotp sots sotu souf soup sous sout spfs spoo spop spos spot sppf spps spso spsp spss spst sptb spto spts spus sput ssfp ssop ssot sspf sspo ssps sspt sssb sssf ssss sstb sstp ssts stbs stfu stob stof stoo stop stos stot stou stpf stpp stps stsf stss stub stuf stup stus stut sub- subb subo subs suf- suff sufs sufu suos sup- supo supp sups supt sus- suso susp suss sust susu suto sutu suus tbbs tbsp tbst tbtp tfot tfpt tfss tftp tobo tobs tobt tobu toff tofo toft tofu toof toos toot top- topf topo topp tops topt topu tosb toso toss tost tosu toto tots tott toup tous tout tppp tptp tput tsob tsop tsos tsou tspo tsps tspt tssf tsst tsts tsup ttbb ttff ttop ttss tttt tubb tubo tubs tubu tuff tufo tuft tufu tuos tupo tups tupu tuss tust tuto tuts tutt tutu tuuo ubbo ubos ubtf ufos ufpb uftp uofo upos uppp uppu upto upup usbs usfs usos uspo uspp usps ussb ussf usss usst ussu ustb usto ustp usts usus utfo utto uttu uutf uuuu

bbuss bo-bo bobos bobst bobts bobup boffo boffs boobs boofs boops boost boots bosso bosut botos botou botts bottu botus boust bouto bouts bpost bsoft bsous btops btstu buffo buffs bufos busot busso bussu busto busts busut busuu buto- butot butou butts butuo butut fofos foots fopos fotos fotus foust fouts fspot fstop ftpfs fu-fu fubbs fubus fuffs fuso- fusts fusus futop futsu obout obtus offof offto ofosu ofoto ofpop ooooo ootus opobo oppos opto- optot optto optus ososo ossos osstp osusu otoso ototo ottos oubut ousts outof outto outts po-po poofs poopo poops poost poots popop popos poppo popup posof post- posto postp posts potof potoo potop potos potto potts pottu potus pouff poufs pouss poust pouts psoup pssst pssts ptous pubo- puffs puppo putt- putto putts puttu putuo putup s-bot s-bus sfouf so-so softs soots sopot soppo sopst sopto sopup soss- sosto sosus sotoo sotos sotsu sotto sotts souff soups sous- souto spoof sposo spots spout sputs sssss stobs stoff stoob stoop stoos stoot stopo stopp stops stopt stoss stots stott stouf stoup stout stubo stubs stuff stuft stupp stups stuss subbu subos subss subst suffs suftu supps supts suput susso susto susus sutot sutto suttu t-pop t-top tbsps tbtbt tbutt tobot tobou toffo toffs tofop tofts