dddd dfrf dfri didi dido dif- diff diii din- dini dinn dino dion dior dird dirr dod- dodd dodi dodo doff doid doin dond doni donn dono donr dood doof doon door dord dorf dori dorn doro dorr drif drin drno drod drof dron ffff ffii ffrr fidf fido fiff fifi fifo fiii find fini finn fino fion fior firn fndd fndn fndr fofo foid foin fond fono food foof foon for- ford fori forn foro forr frid frin frio fron i-no iddo idid idin idio idir idno idon idrf idro ifid ifni ifno ifnr ifor ifrf ifri iiii iiio iino iioi iioo ind- indi indo infi info inid inni inno innr ino- inoi inon inor inri inro iod- iodd iodo ioii ioio ioni ionn iono ioof iooi iooo iori irdo iri- irid irin irio irod iron irri n-ii nddo ndfi ndor ndrf ndri nfff nfon nidd nidi nido niff niir nind nini nino nion nioo niro nnnn nodi nodo nofi noid noif noin noio noir non- noni nonn nono noo- noon nooo noor nor- nord norf nori norn noro norr nron nrrd oddd oddi odin odio odir odon odoo odor ofdr off- offo offr ofid ofno ofor oido oiii oion ondi ondo onir onni onno onod onon onor oodi ooff ooid oooo oord ordn ordo orff orfi ori- orid orif orin orio orni orno oro- orof oron oror orri orro rdio rfdi rfid ridd ridi rido riff riif riin rind rinf rinn rino rion riri rndf rnin rnod rodd rodi rodo roff rofo roid roif roin roio roir rond roni rono rood roof rooi roon roor rori roro rrif rrrr