bbb bbf bbi bbn bbo bbr bbs bbt bfb bff bfi bfn bfo bfr bfs bft bi- bib bif bii bin bio bir bis bit bnb bnf bni bnn bno bnr bns bnt bob bof boi bon boo bor bos bot brb brf bri brn bro brr brs brt bsb bsf bsi bsn bso bsr bss bst btb btf bti btn bto btr bts btt fbb fbf fbi fbn fbo fbr fbs fbt fff ffi ffn ffo ffr ffs fft fib fif fii fin fir fis fit fnb fnf fni fnn fnr fns fnt fob fof foi fon foo for fos fot frb frf fri frn fro frr frs frt fsb fsf fsi fsn fso fsr fss fst ftb ftf fti ftn fto ftr fts ftt i-f ibb ibf ibi ibn ibo ibr ibs ibt ifb iff ifi ifn ifo ifr ifs ift iib iif iii iin iio iir iis iit in- inb inf ini inn ino inr ins int io- iob iof ioi ion ioo ior ios iot ir- irb irf iri irn iro irr irs irt is- isb isf isi isn iso isr iss ist itb itf iti itn ito its itt n-i nbb nbf nbi nbn nbo nbr nbs nbt nfb nff nfi nfn nfo nfr nfs nft nib nif nii nin nio nir nis nit nnb nnf nni nnn nno nns nnt no- nob nof noi non noo nor nos not nrb nrf nri nrn nro nrr nrs nrt nsb nsf nsi nsn nso nsr nss nst ntb ntf nti ntn nto ntr nts ntt o-i ob- obb obf obi obn obo obr obs obt of- ofb off ofi ofn ofo ofr ofs oft oib oif oii oin oio oir ois oit on- onb onf oni onn ono onr ons ont oo- oob oof ooi oon ooo oor oos oot or- orb orf ori orn oro orr ors ort os- osb osf osi osn oso osr oss ost ot- otb otf oti otn oto otr ots ott rbb rbf rbi rbn rbo rbr rbs rbt rfb rff rfi rfn rfo rfr rfs rft rib rif rii rin rio rir ris rit rnb rni rnn rno rnr rns rnt rob rof roi ron roo ror ros rot rrb rrf rri rrn rrr rrs rrt rsb rsf rsi rsn rso rsr rss rst rtb rtf rti rtn rto rtr rts rtt sbb sbf sbi sbn sbo sbr sbs sbt sfb sff sfi sfn sfo sfr sfs sft sib sif sii sin sio sir sis sit snb snf sni snn sno snr sns snt sob sof soi son soo sor sos sot sr- srb srf sri srn sro srr srs srt ss- ssb ssf ssi ssn sso ssr sss sst stb stf sti stn sto str sts stt tbb tbf tbi tbn tbo tbr tbs tbt tfb tff tfi tfn tfo tfr tfs tft tib tif tii tin tio tir tis tit tnb tnf tni tnn tno tnr tns tnt to- tob tof toi ton too tor tos tot trb trf tri trn tro trr trs trt tsb tsf tsi tsn tso tsr tss tst ttb ttf tti ttn tto ttr tts ttt

bbbb bbbs bbfn bbin bffs bfsi bfsr bfts bftt bibb bibi bibo bibs biff bifi biin biis bin- bini binn bino bins bint bio- bioi bion bios biot birb biri birn biro birr birs birt bis- biso biss bist bito bits bitt bnib bnin bnor bnrr bnss bobb bobi bobo bobs boff bofs boi- boii boin bois boit boni bonn bono bons bont boob boof boon boor boos boot bor- borf bori born boro borr bors bort bosi bosn boso boss bost botb boti botn boto bots bott brin brio bris brit brno brns brob bron broo bror bros brot brrr brrs brsb brsr brst bsff bsfs bsin bsns bson bsos bsts btob btor btrt btss bttb fbis fbrs ffff ffii ffrr ffss fftf fibs fiff fifi fifo fift fiii fini finn fino fins fint fion fior fios firn firs fisi fiss fist fiti fits fitt fnrs fntb fobs fobt fofo foin fois fono fons font foof foon foos foot for- forb fori forn foro forr fors fort fosb fosi foso foss fost foti foto fots fott frib frin frio fris frit frns frob fron fros frot frsb frso frst fsfi fsfo fssf ftii ftos ftrs ftsr i-no ibfi ibis ibns ibon ibos ibot ibri ibro ibsf ibsn ibss ibtb ibts ifbb ifis ifit ifni ifno ifnr ifns ifor ifrb ifrf ifri ifsb ifso iftn ifto iiii iiio iiis iiit iino iioi iioo iios iirs iisi iisr iist iitr iitt inbo infi info infs inis init inni inno innr inns ino- inoi inon inor inos inot inri inro inrs inso inss inst inti intn into intr ints iobi ioii ioio ioit ioni ionn iono ions ioof iooi iooo ioos iori iors ioso iotf ioto iri- irin irio iris irob iron irri irrs irsf irtf irti irts isbn isbt isin isis isit isno isnt iso- isof ison isor isos isri issf issi isso issr isss isti isto istr ists itbs itif itin itis itno itof itoi iton itoo itor itos itrf itri itrs itsf itsi itso ittf itto n-ii nbbo nbti nfff nfib nfon nfrs nfsr nfto nibi nibo nibs niff nift niir niit nini nino nins nion nioo nios niro nirs nirt nisi niso niss nist nitb nitf niti nito nitr nits nnit nnnn nnos nnot nnss nntn nobi nobo nobs nofi noib noif noin noio noir nois noit non- noni nonn nono nons nont noo- noob noon nooo noor noos noot nor- norb norf nori norn noro norr nors nort nos- noss nost not- noti noto nots nott nron nrts nsbo nsfs nsin nsis nsnr nsof nsos nssb nssf nsso nssr nsss nsts ntfs ntis ntof ntsb ntsf ntss ntto nttr obbo obin obis obit oboi obon obor obos obot obri obro obsn obsr obss obst obts off- offo offr offs ofit ofno ofor ofst oiii oins oint oion oios oirt oist oiti onir onis