-ey a-a a-b a-c aaa aab aac aae aag aah aau aay ab- aba abb abc abe abg abh abu aby ac- aca acb acc ace acg ach acu acy aea aeb aec aee aeg aeh aeu aey ag- aga agb agc age agg agh agu agy aha ahb ahc ahe ahg ahh ahu ahy au- aua aub auc aue aug auh ay- aya ayc aye ayh ayu b-u baa bab bac bae bag bah bau bay bba bbb bbc bbe bbg bbh bbu bby bca bcb bcc bce bcg bch bcu bcy be- bea beb bec bee beg beh beu bey bga bgb bgc bge bgg bgh bgu bha bhb bhc bhe bhg bhh bhu bua bub buc bue bug buh buu buy by- bya byc bye byg byh byu c-- caa cab cac cae cag cah cau cay cba cbb cbc cbe cbg cbh cbu cby cca ccb ccc cce ccg cch ccu ce- cea ceb cec cee ceg ceh ceu cey cga cgb cgc cge cgg cgh cgu cgy ch- cha chb chc che chg chh chu chy cua cub cuc cue cug cuh cuu cuy cya cyb cyc cye cyg eaa eab eac eae eag eah eau eba ebb ebc ebe ebg ebh ebu eby ec- eca ecb ecc ece ecg ech ecu eea eeb eec eee eeg eey ega egb egc ege egg egh egu egy eha ehb ehc ehe ehg ehh ehu eu- eua eub euc eue eug eya eyc eye gaa gab gac gae gag gah gau gay gba gbc gbe gbg gbh gbu gby gca gcb gcc gce gcg gch gcu ge- gea geb gec gee geg geh geu gey gga ggb ggc ggg ggh ggu gha ghb ghc ghe ghg ghh gu- gua gub guc gue gug guu guy gy- gya gyb gye haa hab hac hae hag hah hau hay hba hbb hbc hbe hbg hbh hbu hby hca hcb hcc hce hcg hch hcy he- hea heb hec hee heg heh heu hey hga hgb hgc hge hgg hgh hgu hgy hha hhb hhc hhe hhg hhh hhu hhy hua hub huc hue hug huh huu huy hy- hya hyb hyc hye hyg hyh hyy ua- uaa uab uac uae uag uah uau uay uba ubb ubc ube ubg ubh ubu uby uca ucb ucc uce ucg uch ucu uea ueb uec uee ueg ueh uey uga ugb ugc uge ugg ugh ugu uha uhb uhc uhe uhh uhu uhy uua uuc uue uug uuu uyc uyu yaa yab yac yae yag yah yau yay ybc ybe ybg yby yca ycc yce ych ycu ycy yea yeb yec yee yeg yeh yey yga ygc yha yhc yhe yhu yua yue yug yuh yuu yuy yyb yyc yye yyg yyu yyy