bbb bbf bbn bbo bbr bbs bbt bfb bff bfn bfo bfr bfs bft bnb bnf bnn bno bnr bns bnt bob bof bon boo bor bos bot brb brf brn bro brr brs brt bsb bsf bsn bso bsr bss bst btb btf btn bto btr bts btt fbb fbf fbn fbo fbr fbs fbt fff ffn ffo ffr ffs fft fnb fnf fnn fnr fns fnt fob fof fon foo for fos fot frb frf frn fro frr frs frt fsb fsf fsn fso fsr fss fst ftb ftf ftn fto ftr fts ftt nbb nbf nbn nbo nbr nbs nbt nfb nff nfn nfo nfr nfs nft nnb nnf nnn nno nns nnt no- nob nof non noo nor nos not nrb nrf nrn nro nrr nrs nrt nsb nsf nsn nso nsr nss nst ntb ntf ntn nto ntr nts ntt ob- obb obf obn obo obr obs obt of- ofb off ofn ofo ofr ofs oft on- onb onf onn ono onr ons ont oo- oob oof oon ooo oor oos oot or- orb orf orn oro orr ors ort os- osb osf osn oso osr oss ost ot- otb otf otn oto otr ots ott rbb rbf rbn rbo rbr rbs rbt rfb rff rfn rfo rfr rfs rft rnb rnn rno rnr rns rnt rob rof ron roo ror ros rot rrb rrf rrn rrr rrs rrt rsb rsf rsn rso rsr rss rst rtb rtf rtn rto rtr rts rtt sbb sbf sbn sbo sbr sbs sbt sfb sff sfn sfo sfr sfs sft snb snf snn sno snr sns snt sob sof son soo sor sos sot sr- srb srf srn sro srr srs srt ss- ssb ssf ssn sso ssr sss sst stb stf stn sto str sts stt tbb tbf tbn tbo tbr tbs tbt tfb tff tfn tfo tfr tfs tft tnb tnf tnn tno tnr tns tnt to- tob tof ton too tor tos tot trb trf trn tro trr trs trt tsb tsf tsn tso tsr tss tst ttb ttf ttn tto ttr tts ttt

bbbb bbbs bbfn bffs bfsr bfts bftt bnor bnrr bnss bobb bobo bobs boff bofs bonn bono bons bont boob boof boon boor boos boot bor- borf born boro borr bors bort bosn boso boss bost botb botn boto bots bott brno brns brob bron broo bror bros brot brrr brrs brsb brsr brst bsff bsfs bsns bson bsos bsts btob btor btrt btss bttb fbrs ffff ffrr ffss fftf fnrs fntb fobs fobt fofo fono fons font foof foon foos foot for- forb forn foro forr fors fort fosb foso foss fost foto fots fott frns frob fron fros frot frsb frso frst fsfo fssf ftos ftrs ftsr nbbo nfff nfon nfrs nfsr nfto nnnn nnos nnot nnss nntn nobo nobs non- nonn nono nons nont noo- noob noon nooo noor noos noot nor- norb norf norn noro norr nors nort nos- noss nost not- noto nots nott nron nrts nsbo nsfs nsnr nsof nsos nssb nssf nsso nssr nsss nsts ntfs ntof ntsb ntsf ntss ntto nttr obbo obon obor obos obot obro obsn obsr obss obst obts off- offo offr offs ofno ofor ofst onno onon onor onos onso onst ont- onto ooff oofs oons oont oooo ooos oort oost ootb oots orbb orbo orbs orff orfs orno orns oro- orof oron oror oros orot orro orrs orso orto orts osno osnr osoo osor osos osro ossb osso ostr osts otbs oto- otof oton otoo otor otos otro otrs otso otto otts rbbb rbbr rbbs rbss rbst rnbr rnnt rnot rob- robb robo robs robt roff rofo rono rons ront roob roof roon roor roos root roro rort roso ross rost rotn roto rotr rots rott rrrr rsnn rsno rsnr rsos rsts rtbf rtfb rtns rtss rtts s-os sbbs sbor sbot sbst sbtn sfnb sfnt sfor sfos sfro sfss sfts snns snob snoo snor snos snot snrs sntr sobo sobr sobs sobt sofo soft son- sono sons sont soof soon soor soos soot sorb sorn soro sorr sors sort soso soss sost sotn soto sots srnn srno sros srtr ssbn ssbr ssns ssot ssrs sssb sssf ssss sstb ssts stbs stfn stnn stnr stns stob stof ston stoo stor stos stot strn stro strs stsf stss sttr tbbs tbnf tbrb tbst tfot tfrs tfss tnts tobo tobs tobt toff tofo toft tonb tonn tono tons toof toon toor toos toot torf torn toro torr tors tort tosb toso toss tost toto totr tots tott trfr trno tron troo tros trot trst trtr tsob tsos tssf tssr tsst tsts ttbb ttff ttfn tton ttss tttt

bo-bo bobos bobr bobst bobts boffo boffs bonon bonos boobs boofs boons boont boorn boors boort boost boots borbo born- borno borns bornt boro- boron boroo boros borot borro borst borts bosns boson bosor bosso boton botos botro botts brobo brobs broft bronn brons bront broon broos bross broto brrrr bsoft btr-t btrfs btron fofos fonos fonso fonts foons foots forbs forno foros forro forso forss forst forto forts foton fotos frobs frons front froot frorn frost frots ftrtt n-ost nnooo no-no nobbs nobob nofor nonno nonos nonot nonst noobs noons noort noost noots norns noron norro norts nortt noso- noson nosto notno noto- notof noton notso notto notts nroff nstnt ntoro o-bon o-r-b oboro offof offon offto ofono oforn ofoto onoff onont onoon onorn onoto onto- ontof ontoo oonts ooooo orbot orfor ornon ornot orobo orono oroso orost orson orton ortoo ososo ossos ostro otono otoso ototo otros ottos rnsts ro-ro robbo robbs robo- robon robor robot robrt rofor ronno ronto roofs rooft roons roost roots rorts rosso rosss rosto rosts roto- roton rotor rotos rotot rotto rsssf rttns s-bot s-o-r snbrn snobs snoff snoof snoot snort snots snrfs so-so sobno sobon sobor softs sono- sonof sonor sonos sonot sonst soonr soons soort soots sorbo sorbs sorbt sorns soron soror soros sorso sorts sosno soss- sosto soton sotoo sotos sotto sotts sron sroof