-ing dddd ddot ddpo didi dido digg digi digo diii din- ding dini dinn dino dint dion diop diot dipn dipo dipp dipt diti dito ditt dnpo dntp dntt dod- dodd dodg dodi dodo dog- dogg dogi dogo dogp doid doig doin doit dond dong doni donn dono donp dont dood doon doop doot dopo dopp dopt dotd doti doto dott dpdt dpin dpni dtdp dtng dtot dttp gggg ggpo gidd gidi gido gigg gigi gign gigo ging gini ginn gino giog gioi gion giop gipi gipp gito gnin gnip gnit gnod gnoo gnti gntp godi godo gogi gogo goin goip goit gon- gond gong goni gonn gono good goog gooi goon goop goot gopi gopo gotd goti goto gott gpgp gpip gpot gtip gtop i-go i-no iddo idgo idid idig idin idio idno idog idon idtp igni igno igon igoo igot iiii iiio iiit iino iioi iioo iiop iitt ind- indi indo ingo inid inig init inni inno ino- inoi inon inot inp- inpi inpp inpt intd intg inti intn into intp iod- iodd iodo iogt ioii ioio ioit ioni ionn iono iooi iooo ioto ipdi ipid ipin ipod ipop ippo ipto itdo itgo itin itno itoi iton itoo itto n-ii nddo ndnp ndnt ndop ndpd ngio ngon ngtn nidd nidi nido nigg nigo nigt niip niit nind ning nini nino niog nion nioo nipt niti nito nngn nnit nnnn nnot nnpi nntn nodi nodo nogg nogo nogt noid noin noio noit non- nong noni nonn nono nont noo- noon nooo noop noot not- noti noto nott npin nppd nptn ntnd ntop ntpd ntto oddd oddi odin odio odon odoo odop odot oggi ogin ogni ogod ogog ogoi ogon oido oigo oiii oint oion oiti ondi ondo ongi ongo onit onni onno onod onon onpg onpt ont- onti onto oodi ooid oont oooo ootp opii opin opio opit opng opo- opon oppi oppo opti optn opto otin otit oto- otog oton otoo otpp otti otto pdpn pgdn pido pigg pign pigo pigp pigt piip pind ping pini pinn pino pinp pint pion piot pipi pipo pipp piti pito pitt pnin pnon pnot pnpo pnpp pntd pod- podd podi podo pogg pogo poid poin poio pond pong poni pono ponp pont pood poon poop poot pop- popi popo popp popt potd poti poto pott ppgi ppid ppig ppod pppd pppn pppo pppp pptn pptt ptop ptpd tidd tigi tiit tind ting tini tinn tino tint tion tiop tip- tipi tipo tipp tipt titi tito titp titt tndd todd todi todo todt togo togt toid toit tong toni tonn tono tood toon toot top- topd topi topo topp topt totd toti toto tott tpon tppd tppp tptp tton ttop tttt