dddd ddot dfdt didi dido dif- diff diii din- dini dinn dino dint dion diot diti dito ditt dntt dod- dodd dodi dodo doff doid doin doit dond doni donn dono dont dood doof doon doot dotd doti doto dott dtot fdot fdti ffff ffii fftf fidf fido fiff fifi fifo fift fiii find fini finn fino fint fion fiti fitt fndd fndn fofo foid foin fond fono font food foof foon foot foti foto fott ftdi ftii i-no iddo idid idin idio idno idon ifid ifit ifni ifno iftn ifto iiii iiio iiit iino iioi iioo iitt ind- indi indo infi info inid init inni inno ino- inoi inon inot intd inti intn into iod- iodd iodo ioii ioio ioit ioni ionn iono ioof iooi iooo iotf ioto itdo itif itin itno itof itoi iton itoo ittf itto n-ii nddo ndfi ndnt nfff nfon nfto nidd nidi nido niff nift niit nind nini nino nion nioo nitf niti nito nnit nnnn nnot nntn nodi nodo nofi noid noif noin noio noit non- noni nonn nono nont noo- noon nooo noot not- noti noto nott ntnd ntof ntto oddd oddi odin odio odon odoo odot off- offo ofid ofit ofno oido oiii oint oion oiti ondi ondo onit onni onno onod onon ont- onti onto oodi ooff ooid oont oooo otif otin otit oto- otof oton otoo otti otto tdff tfin tfot tidd tiff tifo tift tiit tind tini tinn tino tint tion titi tito titt tndd tndf todd todi todo todt toff tofi tofo toft toid toit toni tonn tono tood toof toon toot totd toti toto tott ttff ttfn tton tttt