dddd didi dido dif- diff digg digi digo diii dilf dili dill dilo diol dlii dlil dod- dodd dodg dodi dodo doff dog- dogg dogi dogo doid doig doil dold dolf doli doll dolo dood doof dool ffff ffii fidf fido fiff fifi fifo figg figl figo fiii fiil fild fili fill filo flid flig flii flod flog floo fofo fogg fogi fogl fogo foid foil fold foli foll folo food foof fool gfdl ggfg gggg gidd gidi gidl gido giff gigg gigi gigo gild gilf gilg gili gill gilo giog gioi gli- glid glod glof glog godi godo goff gogi gogo goif gold golf goli goll golo good goof goog gooi gool i-go iddo idgf idgo idid idig idil idio idli idog idol ifid ifil igil igli iglo igoo iiii iiio iioi iioo ilio ill- illd illi illo ilog iloo iod- iodd iodo ioii ioio iolo ioof iooi iooo ldif lgfl lidl lido liff lifg lifl lifo ligg ligi ligo liig liii lilg lili lill lilo lio- liod llll llod lloo lodi loff lofi log- logi logo loid loif lold loli loll lolo lood loof lool oddd oddi odio odoo off- offo ofgo ofid ogdl oggi ogli ogod ogog ogoi oido oigo oiii olid olig olio olli ollo olof olog oodi ooff ooid oold oolo oooo