-ing dddd ddwg didi dido digg digi digo diii din- ding dini dinn dino dion dod- dodd dodg dodi dodo dog- dogg dogi dogo doid doig doin dond dong doni donn dono dood doon dowd dowg down dwdd dwgo dwi- dwid dwin dwon dwww gdow gggg gidd gidi gido gigg gigi gign gigo ging gini ginn gino giog gioi gion gnin gniw gnod gnoo gnow godi godo gogi gogo goin gon- gond gong goni gonn gono good goog gooi goon gowd gown gwin i-go i-no iddo idgo idid idig idin idio idno idog idon igni igno igon igoo iiii iiio iino iioi iioo iiwi ind- indi indo indw ingo inid inig inni inno ino- inoi inon inow inw- inwi iod- iodd iodo ioii ioio ioni ionn iono iooi iooo iown iwig iwin iwiw iwno iwon n-ii nddo ngio ngon ngwo nidd nidi nido nigg nigo nind ning nini nino niog nion nioo nngn nnnn nodi nodo nogg nogo noid noin noio non- nong noni nonn nono nonw noo- noon nooo nowd nowi nown oddd oddi odin odio odon odoo oggi ogin ogni ogod ogog ogoi ogon oido oigo oiii oion ondi ondo ongi ongo onni onno onod onon oodi ooid oooo ownd owni owow wddd wddo wddw wdgg wdig wdin wdnd wdng wdno wdod wdog wdow wdwd wdwg wdwn wgdn wggg wggn wggo wgig wgng wgni wgnn wgno wgod wgog wgon wgow wgwd wgwg wgww widg widi widw wigg wign wigo wigw wiig wiii wiin wind wing wini winn wino winw wiod wiog wioi wion wioo wiwi wiwn wndd wndi wndn wngn wnin wnio wniw wnnd wnng wnnw wnoi wnoo wnow wnwi wnwn wnww wodd wodi wogg wogi wogo woid woio wond wong wonn wonw wood woog woon woow wowi wown wowo woww wwdg wwdn wwdw wwgn wwgo wwii wwin wwio wwnn wwno wwnw wwod wwog wwon wwow wwwi wwwn wwww