bbb bbf bbi bbm bbo bbr bbs bfb bff bfi bfm bfo bfr bfs bi- bib bif bii bim bio bir bis bmb bmf bmi bmm bmo bmr bms bob bof boi bom boo bor bos brb brf bri brm bro brr brs bsb bsf bsi bsm bso bsr bss fbb fbf fbi fbm fbo fbr fbs fff ffi ffm ffo ffr ffs fib fif fii fim fir fis fmb fmf fmi fmm fmo fmr fms fob fof foi fom foo for fos frb frf fri frm fro frr frs fsb fsf fsi fsm fso fsr fss i-f ibb ibf ibi ibm ibo ibr ibs ifb iff ifi ifm ifo ifr ifs iib iif iii iim iio iir iis im- imb imf imi imm imo ims io- iob iof ioi iom ioo ior ios ir- irb irf iri irm iro irr irs is- isb isf isi ism iso isr iss m-f m-o m-r mbb mbf mbi mbm mbo mbr mbs mfb mff mfi mfm mfo mfr mfs mi- mib mif mii mim mio mir mis mmb mmf mmi mmm mmo mmr mms mob mof moi mom moo mor mos mrb mrf mri mrm mro mrr mrs msb msf msi msm mso msr mss o-i ob- obb obf obi obm obo obr obs of- ofb off ofi ofm ofo ofr ofs oib oif oii oim oio oir ois om- omb omf omi omm omo omr oms oo- oob oof ooi oom ooo oor oos or- orb orf ori orm oro orr ors os- osb osf osi osm oso osr oss rbb rbf rbi rbm rbo rbr rbs rfb rff rfi rfm rfo rfr rfs rib rif rii rim rio rir ris rmb rmf rmi rmm rmo rmr rms rob rof roi rom roo ror ros rrb rrf rri rrm rrr rrs rsb rsf rsi rsm rso rsr rss sbb sbf sbi sbm sbo sbr sbs sfb sff sfi sfm sfo sfr sfs sib sif sii sim sio sir sis smb smf smi smm smo smr sms sob sof soi som soo sor sos sr- srb srf sri srm sro srr srs ss- ssb ssf ssi ssm sso ssr sss

-ism bbbb bbbs bffs bfsi bfsr bibb bibi bibo bibs biff bifi biis bimo bims bio- bioi bios birb biri biro birr birs bis- biso biss bmir bmmi bobb bobi bobo bobs boff bofs boi- boii boim bois bomb bomi boms boob boof boom boor boos bor- borf bori borm boro borr bors bosi bosm boso boss brfm brim brio bris brob brom broo bror bros brrm brrr brrs brsb brsr bsff bsfs bsim bsms bsos bsrm bssm fbis fbom fbrs ffff ffii ffrr ffss fibs fiff fifi fifm fifo fiii fimo fimr fior fios firm firs fisi fism fiss fmri fmsr fmss fobs fofo fois fomo foof foom foos for- forb fori form foro forr fors fosb fosi foso foss frib frim frio fris frob from fros frsb frsm frso fsfi fsfo fsim fssf ibbm ibfi ibim ibis ibms ibos ibri ibro ibsf ibss ifbb ifim ifis ifor ifrb ifrf ifri ifsb ifso iiii iiio iiis iioi iioo iios iirs iisi iism iisr imbi imfi imir immi immo imms imof imri imro imrr imsf imsi imso imsr imss iobi ioii ioio iomo ioof iooi iooo ioos iori iors ioso irbm irfm iri- irio iris irmo irms irob irri irrs irsf isim isis ismi ismo isms iso- isof isor isos isri issf issi isso issr isss mbbs mbim mbio mbis mbms mbrs mbsf mfbm mfor mfri mfrs mfsb mibs miff mifi miii miio miis mim- mimi mimo mims mio- mios miri miro mirr mirs mis- misi miso misr miss mmff mmii mmis mmmm mmms mmor mmrf mobb mobi mobo mobs moff mofo moif moii moio moir mois momi momo moms moob moor moos morb morf mori moro mors mosi moso moss mrbb mrbm mrbs mris mrsi msff msfs msmb msmm msms msor msrb mssf mssi mssm mssr obbo obis oboi obor obos obri obro obsr obss off- offo offr offs ofor oiii oimb oios oism ombo omim omio omis omo- omoi omoo omor omri omro omsi oobi ooff oofs ooms oooo ooos oosi orbb orbi orbo orbs orff orfi orfs ori- orif orio oris ormo oro- orof orom oror oros orri orro orrs orsi orso osii osim osis osm- osmo osoi osoo osor osos osro ossb ossi osso rbbb rbbr rbbs rbis rbms rbss rib- ribo ribs riff rifs riif riis rimi rimm rimo rims riom rios riri rirs risi rism riso riss rmbs rmif rob- robb robi robo robs roff rofo roif roio roir rois romb romi romm romo roms roob roof rooi room roor roos rori roro rosi roso ross rrif rrrr rsbi rsis rsos s-ib s-ii s-os sbbs sbor sbsi sfio sfmm sfor sfos sfro sfss sibi sibo sibs siff sifo sifr siim simi simm simo sims sior sios sirf siri siro sirr sirs sisi siss smbf smif smis smof smos smrf smss sobo sobr sobs sofi sofo soif soim soir sois somb somi somm somo soof soom soor soos sorb sori sorm soro sorr sors sosi soso soss srfi srib srim sris sros ssbr ssis ssri ssrm ssrs sssb sssf sssi sssm ssss

-form bibbo bibbs bibio bibis bibos bibri biffi biffo biffs bifor bimbo bioms bioss birmi biros birrs bisfi bismo bmfms bmiii bo-bo bobbi bobos bobr bobri boffi boffo boffs boios boiro bombo bombs bomis bomso boobs boofs boomb boomf booms boors borbo borim borio boris bormo boro- borom boroo boros borro borsi bosio bosom bosor bossi bosso brimm brimo brims brisb brisi briss brmmm brobo brobs brom- bromo broom broos bross brrrr fbomb fibis fibr- fibro fimir fiori firmi firmo firms firos fisbo fisim fissi fmiso fofos foios foir- foism fomor forbs forio form- forms foros forro forso forss friis frios friso friss frobs fromm froom i-m-r ibibo ibros if-- iform iiiii iiris iisir imfor imiss imoff imris iommi ioooi ioooo iorio irbis irbms irimi irios iris- iriss irmos irobo irori irssi is-is isfor isios