-ism bbbb bbbs bbhs bhhs bhim bhir bhit bhms bhrt bibb bibi bibs bihi bihs biis bims birb biri birr birs birt bis- bish biss bist bith bits bitt bmhs bmir bmmi bmts brhs brih brim bris brit brrm brrr brrs brsb brsr brst bshs bsim bsms bsmt bsrm bssm bsts bths btrt btss bttb h-ii hbbs hbhs hbit hbms hbrs hbss hhhh hhhs hhms hibi hibt hihi hiht hiis hiit hims hiri hirm hirs hirt hisb hish hiss hist hiti hits hitt hmbs hmhb hmhs hmis hmmm hmms hmri hmsm hrhs hrib hrit hrtb hshs hsmm hsts hths htmi htms httm httr ibbm ibim ibis ibms ibri ibss ibtb ibts ihis ihit ihss iiht iiii iiis iiit iirs iisi iism iisr iist iitm iitr iitt imbi imhi imhs imir imit immi imms immt imri imrr imsi imsr imss imst imts irbm irhs iri- iris irms irri irrs irti irts isbt ishi ishm ishr ishs isim isis isit ismi isms isri issh issi issr isss isth isti istr ists itbs iths itim itis itms itri itrs itsi mbbs mbhs mbim mbis mbms mbrs mhhs mhmm mhmr mhsi mibs mihi mihr mihs miht miii miis miit mim- mimi mims miri mirr mirs mirt mis- mish misi misr miss mist mit- mitb mith miti mitm mits mitt mmhi mmhm mmhs mmii mmis mmmh mmmm mmms mmst mmts mrbb mrbm mrbs mrhs mris mrsi mrtm mrts mrtt mshb mshs msht msmb msmm msms msrb msrt mssi mssm mssr msst msth mstr msts mtbs mths mtrr mtss mtst mttr mtts rbbb rbbr rbbs rbhs rbis rbms rbss rbst rhhs rhib rhim rhsm rib- ribs rihs riht riis rimi rimm rims riri rirs rish risi rism riss rist rith riti rits ritt rmbs rmhs rmst rrhs rrrr rsbi rshs rsis rsts rths rtmi rtms rtss rtts s-ib s-ii sbbs sbhs sbsi sbst shbm shbs shbt shhh shhs shib shih shii shim shir shis shit shm- shri shrs shts sibi sibs sihi sihr sihs siht siim siit simh simi simm sims simt siri sirr sirs sirt sish sisi siss sist sit- sith siti sits sitt smbh smhs smis smit smrt smsh smss smth smti srhs srib srim sris srtr ssbr sshs ssis ssit ssri ssrm ssrs sssb sssh sssi sssm ssss sstb ssth ssts stbs sths stib stih stim stir stis stit stms stmt stri strs stsi stsm stss sttr tbbs tbhs tbit tbrb tbst thbs thi- thim thir this thmb thms thmt thri thsr thss thtb thtr thts tibi tibs tiht tiit timi timm tims tirb tiri tirr tirs tisb tish tisi tism tiss tist tith titi tits titt tmbr tmhs tmsi tmtt trhs tri- trib trim tris trit trmb trmi trms trsi trst trtr tshb tshi tshs tsis tssi tssm tssr tsst tstm tsts ttbb ttim ttms ttss tttt