-ism bbbb bbbs bbox bibb bibi bibo bibs biis bimo bims bimx bio- bioi bios biot biox bis- biso biss bist bito bits bitt bitx bixi bmmi bmts bobb bobi bobo bobs boi- boii boim bois boit bomb bomi boms bomt boob boom boos boot boox bosi bosm boso boss bost botb boti boto bots bott bsim bsix bsms bsmt bsos bssm bsts btob btss bttb ibbm ibim ibis ibms ibmx ibos ibot ibox ibss ibtb ibts iiii iiio iiis iiit iioi iioo iios iisi iism iist iitm iitt imbi imit imix immi immo imms immt imsi imso imss imst imsx imto imts iobi ioii ioio ioit iomo iooi iooo ioos ioso ioto isbt isbx isim isis isit ismi ismo isms iso- isos issi isso isss isti isto ists itbs itim itis itmo itms itoi itoo itos itsi itso itto ixos ixxi mbbs mbim mbio mbis mbms mbox mibs miii miio miis miit mim- mimi mimo mims mio- mios mis- misi miso miss mist mit- mitb miti mitm mito mits mitt mitx mixi mixt mixx mmii mmis mmix mmmm mmms mmst mmts mmxi mmxx mobb mobi mobo mobs moii moio mois moit momi momo moms moob moos moot mosi moso moss most motb moti motm moto mots mott moxi moxo msmb msmm msms mssi mssm msst msts mtbo mtbs mtom mtss mtst mtts mxii mxim mxit mxxi obbo obis obit obix oboi obos obot obox obss obst obts oiii oimb oios oism oist oiti ombo omim omio omis omit omo- omoi omoo omox omsi oobi ooms oooo ooos oosi oost ootb oots osii osim osis osm- osmo osoi osoo osos ossb ossi osso osti osts otbs otis otit oto- otoo otos otso otti otto otts oxi- oxim oxis oxo- oxos oxox oxsi oxxo s-ib s-ii s-os sbbs sbot sbsi sbst sibi sibo sibs siim siit simi simm simo sims simt sios siot siox sisi siss sist sit- siti sito sits sitt sixo sixt sixx smis smit smos smot smox smss smti sobo sobs sobt soim sois soit somb somi somm somo soom soos soot sosi soso soss sost sotm soto sots soxs ssis ssit ssot sssb sssi sssm ssss sstb ssts stbs stib stim stio stis stit stix stms stmt stob stom stoo stos stot stox stsi stsm stss t-mo tbbs tbit tbox tbst tibi tibs tiit timi timm timo tims tios tisb tisi tism tiso tiss tist titi tito tits titt tixt tmos tmsi tmtt tobi tobo tobs tobt tois toit tomb tomi tomm tomo toms tomt toom toos toot tosb tosi toso toss tost tosx toti totm toto tots tott tox- toxi toxo toxs toxt tsis tsix tsob tsoi tsom tsos tssi tssm tsst tstm tsts ttbb ttim ttms ttss tttt txii xbox xibo xiii xisi xist xito xixi xmii xmms xmos xois xoom xoxo xtbs xxii xxix xxxi xxxo xxxx