-ey a-a a-b aaa aab aae aag aah aau aay ab- aba abb abe abg abh abu aby aea aeb aee aeg aeh aeu aey ag- aga agb age agg agh agu agy aha ahb ahe ahg ahh ahu ahy au- aua aub aue aug auh ay- aya aye ayh ayu b-u baa bab bae bag bah bau bay bba bbb bbe bbg bbh bbu bby be- bea beb bee beg beh beu bey bga bgb bge bgg bgh bgu bha bhb bhe bhg bhh bhu bua bub bue bug buh buu buy by- bya bye byg byh byu eaa eab eae eag eah eau eba ebb ebe ebg ebh ebu eby eea eeb eee eeg eey ega egb ege egg egh egu egy eha ehb ehe ehg ehh ehu eu- eua eub eue eug eya eye gaa gab gae gag gah gau gay gba gbe gbg gbh gbu gby ge- gea geb gee geg geh geu gey gga ggb ggg ggh ggu gha ghb ghe ghg ghh gu- gua gub gue gug guu guy gy- gya gyb gye haa hab hae hag hah hau hay hba hbb hbe hbg hbh hbu hby he- hea heb hee heg heh heu hey hga hgb hge hgg hgh hgu hgy hha hhb hhe hhg hhh hhu hhy hua hub hue hug huh huu huy hy- hya hyb hye hyg hyh hyy ua- uaa uab uae uag uah uau uay uba ubb ube ubg ubh ubu uby uea ueb uee ueg ueh uey uga ugb uge ugg ugh ugu uha uhb uhe uhh uhu uhy uua uue uug uuu uyu yaa yab yae yag yah yau yay ybe ybg yby yea yeb yee yeg yeh yey yga yha yhe yhu yua yue yug yuh yuu yuy yyb yye yyg yyu yyy