dddd didi dido dif- diff diii dilf dili dill dilo din- dini dinn dino diol dion dlii dlil dod- dodd dodi dodo doff doid doil doin dold dolf doli doll dolo dond doni donn dono dood doof dool doon ffff ffii fidf fido fiff fifi fifo fiii fiil fild fili fill filn filo find fini finn fino fion flid flii flin flod flon floo fndd fndn fofo foid foil foin fold foli foll folo fond fono food foof fool foon i-no iddo idid idil idin idio idli idno idol idon ifid ifil ifni ifno iiii iiio iino iioi iioo ilin ilio ill- illd illi illo ilni ilno iloo ind- indi indo infi infl info inid inni inno ino- inoi inol inon iod- iodd iodo ioii ioio iolo ioni ionn iono ioof iooi iooo ldif lidl lido liff lifl lifo liii liin lili lill lilo lind linn lino lio- liod lion llll llod lloo lndn lodi loff lofi lofn loid loif loin lold loli loll lolo lond loni lono lood loof lool loon n-ii nddo ndfi nfff nfld nfon nidd nidi nido niff nild nili nill nilo nind nini ninl nino nion nioo nnnn nodi nodo nofi noid noif noil noin noio nold nolf noli noll nolo non- noni nonn nono noo- nool noon nooo oddd oddi odin odio odon odoo off- offo ofid ofno oido oiii oion oldn olid olin olio olli ollo olof olon ondi ondo onil onlf onni onno onod onon oodi ooff ooid oold oolo oooo