-ey a-a a-b aaa aab aae aag aah aav aay ab- aba abb abe abg abh abv aby aea aeb aee aeg aeh aev aey ag- aga agb age agg agh agv agy aha ahb ahe ahg ahh ahv ahy av- ava avb ave avg avh avy ay- aya aye ayh baa bab bae bag bah bav bay bba bbb bbe bbg bbh bby be- bea beb bee beg beh bev bey bga bgb bge bgg bgh bgv bha bhb bhe bhg bhh bhv bva bvb bve bvg bvh bvv by- bya bye byg byh eaa eab eae eag eah eav eba ebb ebe ebg ebh ebv eby eea eeb eee eeg eev eey ega egb ege egg egh egy eha ehb ehe ehg ehh ehv eva evb eve evg evh evv evy eya eye gaa gab gae gag gah gav gay gba gbe gbg gbh gbv gby ge- gea geb gee geg geh gev gey gga ggb ggg ggh ggv gha ghb ghe ghg ghh gva gvb gve gvg gvh gy- gya gyb gye haa hab hae hag hah hav hay hba hbb hbe hbg hbh hbv hby he- hea heb hee heg heh hev hey hga hgb hge hgg hgh hgv hgy hha hhb hhe hhg hhh hhv hhy hv- hva hvb hvg hvv hvy hy- hya hyb hye hyg hyh hyv hyy v-a v-e vaa vab vae vag vah vav vay vba vbg vbh vbv vea veb vee veg veh vey vga vgg vgh vh- vha vhb vhe vva vvb vvg vvv vye vyg yaa yab yae yag yah yav yay ybe ybg yby yea yeb yee yeg yeh yev yey yga yha yhe yva yve yvy yyb yye yyg yyy