a-a aaa aad aae aag aak ad- ada add ade adg adk aea aed aee aeg aek ag- aga agd age agg agk aka akd ake akg akk daa dad dae dag dak dda ddd dde ddg ddk de- dea ded dee deg dek dga dgd dge dgg dgk dka dke dkg dkk eaa ead eae eag eak ed- eda edd ede edg edk eea eed eee eeg eek ega egd ege egg eka ekd eke ekg g-d gaa gad gae gag gak gda gdd gde gdk ge- gea ged gee geg gek gga ggd ggg gka gkd ka- kaa kad kae kag kak kda kde kdg kdk ke- kea ked kee keg kek kga kgd kke kkk