bbb bbf bbg bbi bbn bbo bbr bbs bfb bff bfg bfi bfn bfo bfr bfs bgb bgf bgg bgi bgn bgo bgr bgs bi- bib bif big bii bin bio bir bis bnb bnf bng bni bnn bno bnr bns bob bof bog boi bon boo bor bos brb brf brg bri brn bro brr brs bsb bsf bsg bsi bsn bso bsr bss fbb fbf fbg fbi fbn fbo fbr fbs fff ffg ffi ffn ffo ffr ffs fgb fgf fgg fgi fgn fgr fgs fib fif fig fii fin fir fis fnb fnf fng fni fnn fnr fns fob fof fog foi fon foo for fos frb frf frg fri frn fro frr frs fsb fsf fsg fsi fsn fso fsr fss gbf gbg gbi gbn gbo gbr gbs gfb gff gfi gfo gfr gfs ggb ggg ggi ggn ggo ggr ggs gib gif gig gii gin gio gir gis gnb gnf gni gnn gno gnr gns gob gof gog goi gon goo gor gos grb grf grg gri grn gro grr grs gsb gsf gsg gsi gsn gso gsr gss i-f ibb ibf ibg ibi ibn ibo ibr ibs ifb iff ifg ifi ifn ifo ifr ifs igb igf igg igi ign igo igr igs iib iif iii iin iio iir iis in- inb inf ing ini inn ino inr ins io- iob iof iog ioi ion ioo ior ios ir- irb irf irg iri irn iro irr irs is- isb isf isg isi isn iso isr iss n-i nbb nbf nbg nbi nbn nbo nbr nbs nfb nff nfi nfn nfo nfr nfs ngb ngf ngg ngi ngn ngo ngs nib nif nig nii nin nio nir nis nnb nnf nng nni nnn nno nns no- nob nof nog noi non noo nor nos nrb nrf nrg nri nrn nro nrr nrs nsb nsf nsg nsi nsn nso nsr nss o-i ob- obb obf obg obi obn obo obr obs of- ofb off ofg ofi ofn ofo ofr ofs ogf ogg ogi ogn ogo ogs oib oif oii oin oio oir ois on- onb onf ong oni onn ono onr ons oo- oob oof oog ooi oon ooo oor oos or- orb orf org ori orn oro orr ors os- osb osf osg osi osn oso osr oss rbb rbf rbg rbi rbn rbo rbr rbs rfb rff rfg rfi rfn rfo rfr rfs rgb rgf rgg rgi rgn rgo rgr rgs rib rif rig rii rin rio rir ris rnb rng rni rnn rno rnr rns rob rof rog roi ron roo ror ros rrb rrf rrg rri rrn rrr rrs rsb rsf rsg rsi rsn rso rsr rss sbb sbf sbg sbi sbn sbo sbr sbs sfb sff sfg sfi sfn sfo sfr sfs sgb sgf sgg sgi sgn sgo sgr sgs sib sif sig sii sin sio sir sis snb snf sng sni snn sno snr sns sob sof sog soi son soo sor sos sr- srb srf srg sri srn sro srr srs ss- ssb ssf ssg ssi ssn sso ssr sss

-ing bbbb bbbs bbfn bbin bbng bbrg bffs bfgf bfsi bfsr bggs bgon bibb bibi bibo bibs biff bifi bigb bigg bign bigo bigs biin biis bin- bing bini binn bino bins bio- biog bioi bion bios birb birg biri birn biro birr birs bis- biso biss bnib bnin bnor bnrr bnss bobb bobi bobo bobs boff bofs bogg bogi bogo bogs boi- boii boin bois bong boni bonn bono bons boob boof boog boon boor boos bor- borf borg bori born boro borr bors bosi bosn boso boss brig brin brio bris brno brns brob brog bron broo bror bros brrr brrs brsb brsr bsff bsfs bsgs bsin bsns bson bsos fbis fbrs ffff ffii ffrr ffss fibs fiff fifi fifo figg figo figs fiii fing fini finn fino fins fion fior fios firn firs fisi fiss fnrs fobs fofo fogg fogi fogn fogo fogs foin fois fong fono fons foof foon foos for- forb forg fori forn foro forr fors fosb fosi foso foss frib frig frin frio fris frns frob frog fron fros frsb frso fsfi fsfo fsgs fssf gbbo gbbs gbon gfor ggfg gggg ggrn ggss gibb gibs giff gifs gigg gigi gign gigo gigs giis ging gini ginn gino gins giog gioi gion girg giri girn giro girr girs giss gnib gnin gnof gnoo gnrr gobi gobo gobs goff gofr gogi gogo gogs goif goin gois gon- gong goni gonn gono gons goof goog gooi goon goor goos gorb gorf gorg gori gorn goro gorr gors gosi goso goss grbr grib grif grig grin gris grni grob grof grog groi gron groo gror gros grrr grrs grss gsif gsis gson gsos i-go i-no ibfi ibis ibns ibon ibos ibri ibro ibsf ibsn ibss ifbb ifis ifni ifno ifnr ifns ifor ifrb ifrf ifri ifsb ifso igbo iggs igis igni igno igns igon igoo igor igri igso iiii iiio iiis iino iioi iioo iios iirs iisi iisr inbo infi info infs ingo ings inig inis inni inno innr inns ino- inoi inon inor inos inri inro inrs inso inss iobi ioii ioio ioni ionn iono ions ioof iooi iooo ioos iorg iori iors ioso irgs iri- irig irin irio iris irob iron irri irrs irsf irsg isbn isin isis isno iso- isof ison isor isos isrg isri issf issi isso issr isss n-ii nbbo nfff nfib nfon nfrs nfsr ngfs ngio ngns ngon ngor ngos ngri ngsn nibi nibo nibs niff nigg nigo nigs niir ning nini nino nins niog nion nioo nios niro nirs nisi niso niss nngn nnnn nnos nnss nobi nobo nobs nofi nogg nogo nogs noib noif noin noio noir nois non- nong noni nonn nono nons noo- noob noon nooo noor noos nor- norb norf norg nori norn noro norr nors nos- noss nron nsbo nsfs nsin nsis nsnr nsof nsos nssb nssf nsso nssr nsss obbo obin obis oboi obon obor obos obri obro obsn obsr obss off- offo