a-a aaa aad aae aaf aag aah aao ad- ada add ade adf adg adh ado aea aed aee aef aeg aeh aeo af- afa afd afe aff afg afh afo ag- aga agd age agf agg agh ago aha ahd ahe ahf ahg ahh aho aoa aod aoe aof aog aoh aoo daa dad dae daf dag dah dao dda ddd dde ddf ddg ddh ddo de- dea ded dee def deg deh deo dfa dfd dfe dff dfg dfh dfo dga dgd dge dgf dgg dgh dh- dha dhd dhe dhf dhh dho doa dod doe dof dog doh doo eaa ead eae eaf eag eah eao ed- eda edd ede edf edg edh edo eea eed eee eef eeg eeo ef- efa efd efe eff efg efh efo ega egd ege egf egg egh ego eha ehd ehe ehf ehg ehh eho eo- eoa eod eoe eof eog eoh eoo faa fad fae faf fag fah fao fda fdd fde fdf fdg fdh fdo fea fed fee fef feg feh feo ffa ffd ffe fff ffg ffh ffo fga fgd fge fgf fgg fgh fha fhe fhf fhg fhh fho foa foe fof fog foh foo g-d gaa gad gae gaf gag gah gao gda gdd gde gdf gdh gdo ge- gea ged gee gef geg geh geo gfa gfd gfe gff gfh gfo gga ggd ggg ggh ggo gha ghd ghe ghg ghh gho goa god goe gof gog goh goo haa had hae haf hag hah hao hda hdd hde hdf hdg hdh hdo he- hea hed hee hef heg heh heo hfa hfd hfe hff hfg hfh hfo hga hge hgf hgg hgh hgo hha hhd hhe hhf hhg hhh hho hoa hod hoe hof hog hoh hoo oaa oad oae oaf oag oah oao oda odd ode odf odg odh odo oea oed oee oef oeg oeh oeo of- ofa ofd ofe off ofg ofo oga ogd oge ogf ogg ogh ogo oha ohd ohe ohf ohg ohh oho oo- ooa ood oof oog ooh ooo