-ism ffff ffii ffps ffrr ffss fiff fifi fifm fifo fiii fimo fimr fior fios fipp fips firm firs fisi fism fiss fmri fmsr fmss fofo fois fomo fomp foof foom foos fopp fops for- fori form foro forr fors fosi foso foss fprf frim frio frip fris from frop fros frps frsm frso fsfi fsfo fsim fspf fssf fssp ifim ifis ifor ifpo ifps ifrf ifri ifso ifsp iiii iiio iiis iioi iioo iiop iios iipf iipm iirs iisi iism iisp iisr imfi imir immi immo imms imof impf impi impr imps imri imro imrr imsf imsi imso imsp imsr imss ioii ioio iomo ioof iooi iooo ioos iops iori iors ioso ipmi ipmp ipms ipop ipos ippf ippo ippr ipri ipsi ipso ipsp ipss irfm iri- irio irip iris irmo irms irop irps irri irrs irsf irsp isfp isim isis ismi ismo isms iso- isof isop isor isos ispf ispr isps isri isrp issf issi isso issp issr isss mfor mfps mfri mfrp mfrs miff mifi miii miio miis mim- mimi mimo mimp mims mio- mios mipi mipr mips miri miro mirr mirs mis- misi miso misr miss mmff mmii mmis mmmm mmms mmor mmpi mmpr mmrf mmrp moff mofo moif moii moio moir mois momi momo moms moop moor moos mopp mops morf mori moro mors mosi moso moss mpfs mpio mpir mppf mppp mpps mprf mpri mpro mprp mris mrps mrsi msff msfs msmm msms msop msor mspi mspp msrp mssf mssi mssm mssp mssr off- offo offr offs ofor oiii oios oism omim omio omis omo- omoi omoo omor omps omri omro omsi ooff oofs ooms oooo ooos oops oosi opii opio opis opms opo- opor opos oppi oppo opps opsi opsm orff orfi orfs ori- orif orio oris ormo oro- orof orom oror oros orpi orps orri orro orrs orsi orso osii osim osip osis osm- osmo osoi osoo osor osos ospm osro ossi osso pfff pffr pfis pfps piff pifs piip pimi pimp pims pipi pipo pipp pips piri piro pirr pirs pisi piso piss pmip pmmp pmoi pmos pmpm pmpo pmrs pmsf poff pofi poio pois pomi pomo pomp poms poof poop poor poos pop- popi popo popp pops pori poro porr pors posi poso poss ppif ppms ppos pppo pppp ppps pprf pprm ppsf ppss prfs pri- prif prii prim pris pro- prof prom proo prop pros prps prri prrm prrs prsi prso prss psfs psim psip psis psoi psos pspi pspp pspr psps psrp pssm psso riff rifs riif riis rimi rimm rimo rims riom rios ripi ripp ripr rips riri rirs risi rism riso risp riss rmif rmrp rmsp roff rofo roif roio roir rois romi romm romo romp roms roof rooi room roop roor roos ropo rops rori roro rosi roso rosp ross rpii rpms rpof rpos rpps rrif rrmp rrrr rrsp rsis rsos rspo rsps s-ii s-os sfio sfmm sfor sfos sfro sfss siff sifo sifr siim simi simm simo simp sims siop sior sios sipi sipo sipp sips sirf siri siro sirp sirr sirs sisi siss smif smis smof smos smps smrf smsp smss sofi sofo soif soim soir sois somi somm somo soof soom soop soor soos sopi sopo sopp sops sori sorm soro sorr sors sosi soso soss spfs spim spio spip spir spis spmi spms spoo spop spor spos sppf spps spri sprm spro sprs spso spsp spss srfi srim sris sros srps srsp ssfp ssis ssop sspf sspo ssps ssri ssrm ssrs sssf sssi sssm ssss