ffff ffii ffrr fftf fhit fiff fifi fifo fift fiii fini finn fino fint fion fior firn fiti fitt fofo fohn fohr foin fono font foof foon foot for- fori forn foro forr fort foth foti foto fott frin frio frit froh fron frot ftii h-ii hhhh hhof hiff hifh hifi hifn hifo hifr hihi hiho hiht hiit hinn hino hint hirf hiri hirn hiro hirt hiti hito hitt hnoi hntr hoff hohn hoho hoif hoir hoit honi hono hont hoof hoon hoor hoot hori horn horo horr hort hoth hoti hoto hotr hott hrit hron htoh httr i-no ifht ifit ifni ifno ifnr ifor ifrf ifri iftn ifto ihit iiht iiii iiio iiit iino iioi iioo iitr iitt infi info init inni inno innr ino- inoi inon inor inot inri inro inti intn into intr ioii ioio ioit ioni ionn iono ioof iooi iooo iori iotf ioto iri- irin irio iroh iron irri irtf irti itif itin itno itof itoh itoi iton itoo itor itrf itri ittf itto n-ii nfff nfon nfto nhnn nhon niff nift nihf niht niir niit ninh nini nino nioh nion nioo niro nirt nitf nith niti nito nitr nnit nnnn nnot nntn nofi nohn noho noht noif noin noio noir noit non- noni nonn nono nont noo- noon nooo noor noot nor- norf nori norn noro norr nort not- noth noti noto nott nron nthn ntht ntof ntto nttr off- offh offo offr ofit ofno ofor ohhi ohho ohif ohio ohno ohoh ohrn ohto oiii oint oion oirt oiti onir onit onni onno onon onor ont- onti onto ooff ooho oont oooh oooo oort orff orfi ori- orif orin orio orit orni orno oro- orof oron oror orot orri orro orth orto otho othr otif otin otit oto- otof otoh oton otoo otor otro otti otto rhin rhio rhoh rhon riff rift riho riht riif riin rinf rinn rino rion riot riri rith riti rito ritt rnin rnnt rnot roff rofo rohn rohr roif roin roio roir roit roni rono ront roof rooi roon roor root rori roro rort roth roti rotn roto rotr rott rrif rrrr tfin tfot thi- thif thin thio thir thnt thof thon thoo thor thot thri thro thtr tiff tifo tift tiht tiit tini tinn tino tint tion tiri tiro tirr tith titi tito titt toff tofi tofo toft tohi toho toit tonh toni tonn tono toof tooh toon toor toot torf tori torn toro torr tort toth toti toto totr tott trfr tri- trif trin trio trit trno troi tron troo trot trtr ttff ttfn tton tttt