-ing -ism ffff ffii ffss fftf fgts fiff fifi fifm fift figg figs fiii fing fini finn fins fint fisi fism fiss fist fiti fits fitt fmss fsfi fsgs fsim fssf ftii gfms ggfg gggg ggss giff gifs gift gigg gigi gign gigs giis ging gini ginn gins gism giss gist gits gmit gnin gnit gnmt gnti gsif gsis gtfm gtsm ifim ifis ifit ifni ifns iftn iggs igis igni igns igsm iiii iiis iiit iinm iisi iism iist iitm iitt imfi imin imit immi imms immt imsf imsi imss imst imts infi infs ings inig inis init inni inns inss inst intg inti intn ints isim isin isis isit ismi isms isnt issf issi isss isti ists itgs itif itim itin itis itms itsf itsi ittf mfng mftf mgit mgmt mgsm mgts miff mifi migg migi migs miii miin miis miit mim- mimi mims ming mini minn mins mint mis- misg misi misn miss mist mit- miti mitm mits mitt mmff mmgn mmii mmis mmmm mmms mmst mmts mnin mnis mntn msff msfs msft msgs msgt msmm msms mssf mssg mssi mssm msst msts mtff mtgs mtns mtnt mtss mtst mtts n-ii nfff nfsm ngfs ngmn ngns ngsn ngtn ngts niff nift nigg nigs nigt niit nimi nims nimt ning nini nins nisi niss nist nitf niti nits nmff nmfs nmis nmit nmnt nngn nnit nnmt nnnn nnss nntn nsfs nsin nsis nssf nsss nsts ntfs ntis ntsf ntss nttm s-ii sfmm sfnt sfss sfts sggg sggs sgsm sgss sgts siff sift sigg sigi sign sigs siim siit simi simm sims simt sing sini sinn sins sint sisi siss sist sit- siti sitn sits sitt smgs smif smig smin smis smit smsn smss smti smtn snig snit snns ssgs ssgt ssin ssis ssit ssns sssf sssi sssm ssss ssts stfn stif stig stim stis stit stms stmt stng stnn stns stsf stsi stsm stss tfin tfsi tfss tgif tgts tiff tift tigi tigm tigs tiit timi timm timn tims ting tini tinn tins tint tisi tism tiss tist titi tits titt tmnt tmsi tmtt tngs tnts tsfm tsgt tsig tsin tsis tssf tssg tssi tssm tsst tstm tsts ttff ttfn ttim ttms ttss tttt