bbb bbi bbm bbo bbr bbs bbt bi- bib bii bim bio bir bis bit bmb bmi bmm bmo bmr bms bmt bob boi bom boo bor bos bot brb bri brm bro brr brs brt bsb bsi bsm bso bsr bss bst btb bti btm bto btr bts btt ibb ibi ibm ibo ibr ibs ibt iib iii iim iio iir iis iit im- imb imi imm imo ims imt io- iob ioi iom ioo ior ios iot ir- irb iri irm iro irr irs irt is- isb isi ism iso isr iss ist itb iti itm ito its itt m-o m-r mbb mbi mbm mbo mbr mbs mbt mi- mib mii mim mio mir mis mit mmb mmi mmm mmo mmr mms mmt mob moi mom moo mor mos mot mrb mri mrm mro mrr mrs mrt msb msi msm mso msr mss mst mtb mti mtm mto mtr mts mtt o-i ob- obb obi obm obo obr obs obt oib oii oim oio oir ois oit om- omb omi omm omo omr oms omt oo- oob ooi oom ooo oor oos oot or- orb ori orm oro orr ors ort os- osb osi osm oso osr oss ost ot- otb oti otm oto otr ots ott rbb rbi rbm rbo rbr rbs rbt rib rii rim rio rir ris rit rmb rmi rmm rmo rmr rms rmt rob roi rom roo ror ros rot rrb rri rrm rrr rrs rrt rsb rsi rsm rso rsr rss rst rtb rti rtm rto rtr rts rtt sbb sbi sbm sbo sbr sbs sbt sib sii sim sio sir sis sit smb smi smm smo smr sms smt sob soi som soo sor sos sot sr- srb sri srm sro srr srs srt ss- ssb ssi ssm sso ssr sss sst stb sti stm sto str sts stt tbb tbi tbm tbo tbr tbs tbt tib tii tim tio tir tis tit tmb tmi tmm tmo tmr tms tmt to- tob toi tom too tor tos tot trb tri trm tro trr trs trt tsb tsi tsm tso tsr tss tst ttb tti ttm tto ttr tts ttt

-ism bbbb bbbs bibb bibi bibo bibs biis bimo bims bio- bioi bios biot birb biri biro birr birs birt bis- biso biss bist bito bits bitt bmir bmmi bmts bobb bobi bobo bobs boi- boii boim bois boit bomb bomi boms bomt boob boom boor boos boot bor- bori borm boro borr bors bort bosi bosm boso boss bost botb boti boto bots bott brim brio bris brit brob brom broo bror bros brot brrm brrr brrs brsb brsr brst bsim bsms bsmt bsos bsrm bssm bsts btob btor btrt btss bttb ibbm ibim ibis ibms ibos ibot ibri ibro ibss ibtb ibts iiii iiio iiis iiit iioi iioo iios iirs iisi iism iisr iist iitm iitr iitt imbi imir imit immi immo imms immt imri imro imrr imsi imso imsr imss imst imto imts iobi ioii ioio ioit iomo iooi iooo ioos iori iors ioso ioto irbm iri- irio iris irmo irms irob irri irrs irti irts isbt isim isis isit ismi ismo isms iso- isor isos isri issi isso issr isss isti isto istr ists itbs itim itis itmo itms itoi itoo itor itos itri itrs itsi itso itto mbbs mbim mbio mbis mbms mbrs mibs miii miio miis miit mim- mimi mimo mims mio- mios miri miro mirr mirs mirt mis- misi miso misr miss mist mit- mitb miti mitm mito mits mitt mmii mmis mmmm mmms mmor mmst mmts mobb mobi mobo mobs moii moio moir mois moit momi momo moms moob moor moos moot morb mori moro mors mort mosi moso moss most motb moti motm moto mots mott mrbb mrbm mrbs mris mrsi mrtm mrts mrtt msmb msmm msms msor msrb msrt mssi mssm mssr msst mstr msts mtbo mtbs mtom mtor mtrr mtss mtst mttr mtts obbo obis obit oboi obor obos obot obri obro obsr obss obst obts oiii oimb oios oirt oism oist oiti ombo omim omio omis omit omo- omoi omoo omor omri omro omsi oobi ooms oooo ooos oort oosi oost ootb oots orbb orbi orbo orbs ori- orio oris orit ormo oro- orom oror oros orot orri orro orrs orsi orso orto orts osii osim osis osm- osmo osoi osoo osor osos osro ossb ossi osso osti ostr osts otbs otis otit oto- otoo otor otos otro otrs otso otti otto otts rbbb rbbr rbbs rbis rbms rbss rbst rib- ribo ribs riis rimi rimm rimo rims riom rios riot riri rirs risi rism riso riss rist riti rito rits ritt rmbs rmst rob- robb robi robo robs robt roio roir rois roit romb romi romm romo roms roob rooi room roor roos root rori roro rort rosi roso ross rost roti roto rotr rots rott rrrr rsbi rsis rsos rsts rtmi rtms rtss rtts s-ib s-ii s-os sbbs sbor sbot sbsi sbst sibi sibo sibs siim siit simi simm simo sims simt sior sios siot siri siro sirr sirs sirt sisi siss sist sit- siti sito sits sitt smis smit smos smot smrt smss smti sobo sobr sobs sobt soim soir sois soit somb somi somm somo soom soor soos soot sorb sori sorm soro sorr sors sort sosi soso soss sost sotm soto sots srib srim sris sros srtr ssbr ssis ssit ssot ssri ssrm ssrs sssb sssi sssm ssss sstb ssts stbs stib stim stio stir stis stit stms stmt stob stom stoo stor stos stot stri stro strs stsi stsm stss sttr t-mo tbbs tbit tbrb tbst tibi tibs tiit timi timm timo tims tios tirb tiri tiro tirr tirs tisb tisi tism tiso tiss tist titi tito tits titt tmbr tmos tmro tmsi tmtt tobi tobo tobs tobt tois toit tomb tomi tomm tomo toms tomt toom toor toos toot tori torm toro torr tors tort tosb tosi toso toss tost toti totm toto totr tots tott tri- trib trim trio tris trit trmb