bbb bbf bbg bbi bbo bbr bbs bfb bff bfg bfi bfo bfr bfs bgb bgf bgg bgi bgo bgr bgs bi- bib bif big bii bio bir bis bob bof bog boi boo bor bos brb brf brg bri bro brr brs bsb bsf bsg bsi bso bsr bss fbb fbf fbg fbi fbo fbr fbs fff ffg ffi ffo ffr ffs fgb fgf fgg fgi fgr fgs fib fif fig fii fir fis fob fof fog foi foo for fos frb frf frg fri fro frr frs fsb fsf fsg fsi fso fsr fss gbf gbg gbi gbo gbr gbs gfb gff gfi gfo gfr gfs ggb ggg ggi ggo ggr ggs gib gif gig gii gio gir gis gob gof gog goi goo gor gos grb grf grg gri gro grr grs gsb gsf gsg gsi gso gsr gss i-f ibb ibf ibg ibi ibo ibr ibs ifb iff ifg ifi ifo ifr ifs igb igf igg igi igo igr igs iib iif iii iio iir iis io- iob iof iog ioi ioo ior ios ir- irb irf irg iri iro irr irs is- isb isf isg isi iso isr iss o-i ob- obb obf obg obi obo obr obs of- ofb off ofg ofi ofo ofr ofs ogf ogg ogi ogo ogs oib oif oii oio oir ois oo- oob oof oog ooi ooo oor oos or- orb orf org ori oro orr ors os- osb osf osg osi oso osr oss rbb rbf rbg rbi rbo rbr rbs rfb rff rfg rfi rfo rfr rfs rgb rgf rgg rgi rgo rgr rgs rib rif rig rii rio rir ris rob rof rog roi roo ror ros rrb rrf rrg rri rrr rrs rsb rsf rsg rsi rso rsr rss sbb sbf sbg sbi sbo sbr sbs sfb sff sfg sfi sfo sfr sfs sgb sgf sgg sgi sgo sgr sgs sib sif sig sii sio sir sis sob sof sog soi soo sor sos sr- srb srf srg sri sro srr srs ss- ssb ssf ssg ssi sso ssr sss

bbbb bbbs bbrg bffs bfgf bfsi bfsr bggs bibb bibi bibo bibs biff bifi bigb bigg bigo bigs biis bio- biog bioi bios birb birg biri biro birr birs bis- biso biss bobb bobi bobo bobs boff bofs bogg bogi bogo bogs boi- boii bois boob boof boog boor boos bor- borf borg bori boro borr bors bosi boso boss brig brio bris brob brog broo bror bros brrr brrs brsb brsr bsff bsfs bsgs bsos fbis fbrs ffff ffii ffrr ffss fibs fiff fifi fifo figg figo figs fiii fior fios firs fisi fiss fobs fofo fogg fogi fogo fogs fois foof foos for- forb forg fori foro forr fors fosb fosi foso foss frib frig frio fris frob frog fros frsb frso fsfi fsfo fsgs fssf gbbo gbbs gfor ggfg gggg ggss gibb gibs giff gifs gigg gigi gigo gigs giis giog gioi girg giri giro girr girs giss gobi gobo gobs goff gofr gogi gogo gogs goif gois goof goog gooi goor goos gorb gorf gorg gori goro gorr gors gosi goso goss grbr grib grif grig gris grob grof grog groi groo gror gros grrr grrs grss gsif gsis gsos i-go ibfi ibis ibos ibri ibro ibsf ibss ifbb ifis ifor ifrb ifrf ifri ifsb ifso igbo iggs igis igoo igor igri igso iiii iiio iiis iioi iioo iios iirs iisi iisr iobi ioii ioio ioof iooi iooo ioos iorg iori iors ioso irgs iri- irig irio iris irob irri irrs irsf irsg isis iso- isof isor isos isrg isri issf issi isso issr isss obbo obis oboi obor obos obri obro obsr obss off- offo offr offs ofgo ofor ogb ogfr oggi ogog ogoi ogri ogro ogsi oigo oiii oios oobi ooff oofs oooo ooos oosi orbb orbi orbo orbs orff orfi orfs orgo orgs ori- orif orig orio oris oro- orof oror oros orri orro orrs orsi orso osgi osii osis osoi osoo osor osos osro ossb ossi osso rbbb rbbr rbbs rbis rbss rfgs rgbi rib- ribo ribs riff rifs rigg rigi rigo rigs riif riis rios riri rirs risi riso riss rob- robb robi robo robs roff rofo rogg rogi rogo roif roig roio roir rois roob roof roog rooi roor roos rori roro rosi roso ross rrif rrrr rsbi rsgb rsis rsos s-ib s-ii s-os sbbs sbig sbor sbsi sfio sfog sfor sfos sfro sfss sggg sggs sgio sgro sgss sibi sibo sibs siff sifo sifr sigg sigi sigo sigs sior sios sirf siri siro sirr sirs sisi siss sobo sobr sobs sofi sofo sogi sogo sogs soif soir sois soof soog soor soos sorb sorg sori soro sorr sors sosi soso soss srfi srgb srib sris sros ssbr ssgs ssis ssrg ssri ssrs sssb sssf sssi ssss

bfrog bibbo bibbs bibio bibis bibos bibri biffi biffo biffs bifor big-i biggs bigif bigig bigoo bigos bigrs biogs bioss birgi biros birrs bisfi bo-bo bobbi bobos bobr bobri boffi boffo boffs boggs bogof bogor bogos boios boiro boobs boofs boors borbo borgo borgs borio boris boro- boroo boros borro borsi bosio bosor bossi bosso brigg brigi brigs brisb brisi briss brobo brobs brogs broos bross brrrr fibis fibr- fibro figgs fiori firgo firos fisbo fissi fofos fogbo foggo foggs fogsi foios foir- forbs forgo forio foros forro forso forss frigg frigo frigs friis friog frios friso friss frobs frogs ggobi gi-fi gibbi gibbs gibi- gibss giggs giros girss gisgo gissi go-go go-oo gobbi gobbo gobig gobio gobir gobos goffi gofio gofis gofor gogoi gogos gogro goibo goobi goobo gooff goofs googs gorgo gorir goris gossi griff grifo grigg grigs grisi griss groff grogg grogs groof groos grosi gross grrrr gsbfr ibibo ibogo ibros if-- igbos iggri igigi igors igosi igros iiiii iiris iisir ioooi ioooo iorio irbis irios iris- iriss irobo irori irssi is-is isfor isios isiro isisi isoff isrib issor o-r-b oboro obosi offir offis offof ofori og-os oggif ogiri ogogo ogors ooioo ooooo orbis orfor