NIDOLOGIST

do go id in is it li lo no od oi on os si so ti to

dig din dis dit dog dol don dos dot gid gin git god goo gos got ids ins ion its lid lin lis lit log loo lot nil nit nod nog noo nos not ods oil old ono ons oot sin sit sod sol son sot til tin tis tod tog ton too

digs ding dino dins dint diol dits dogs doit dols dolt dong dons dost dots gids gild gilt gins gist gits gods gold good goon goos idol inti into ions lido lids ling lino lins lint lion list lits logo logs loid loin long loon loos loot lost loti lots nidi nils nisi nits nodi nods nogs noil nolo oils olds olio onos onto oots sign sild silo silt sing slid slit slog slot snit snog snot soil sold soli solo song soon soot tils ting tins tods togs toil told tong tons tool toon