ddd dde ddh ddn ddo de- ded dee deh den deo dh- dhd dhe dhh dho dnd dne dnh dnn dno dod doe doh don doo ed- edd ede edh edn edo eed eee een eeo ehd ehe ehh ehn eho en- end ene enh enn eno eo- eod eoe eoh eon eoo hdd hde hdh hdn hdo he- hed hee heh hen heo hhd hhe hhh hhn hho hnd hne hnh hnn hno hod hoe hoh hon hoo ndd nde ndh ndn ndo ne- ned nee neh nen neo nhd nhe nhh nhn nne nnh nnn nno no- nod noe noh non noo odd ode odh odn odo oed oee oeh oen oeo ohd ohe ohh ohn oho on- ond one onh onn ono oo- ood ooh oon ooo