a-a aaa aad aae aag aak aao ad- ada add ade adg adk ado aea aed aee aeg aek aeo ag- aga agd age agg agk ago aka akd ake akg akk ako aoa aod aoe aog aok aoo daa dad dae dag dak dao dda ddd dde ddg ddk ddo de- dea ded dee deg dek deo dga dgd dge dgg dgk dka dke dkg dkk dko doa dod doe dog dok doo eaa ead eae eag eak eao ed- eda edd ede edg edk edo eea eed eee eeg eek eeo ega egd ege egg ego eka ekd eke ekg eko eo- eoa eod eoe eog eok eoo g-d gaa gad gae gag gak gao gda gdd gde gdk gdo ge- gea ged gee geg gek geo gga ggd ggg ggo gka gkd gko goa god goe gog gok goo ka- kaa kad kae kag kak kao kda kde kdg kdk kdo ke- kea ked kee keg kek keo kga kgd kgo kke kkk koa kod koe kog kok koo oaa oad oae oag oak oao oda odd ode odg odo oea oed oee oeg oeo oga ogd oge ogg ogo oka okd oke okg okk oko oo- ooa ood oog ook ooo