-ey a-a a-b a-c aaa aab aac aae aah aan aau aay ab- aba abb abc abe abh abn abu aby ac- aca acb acc ace ach acn acu acy aea aeb aec aee aeh aen aeu aey aha ahb ahc ahe ahh ahn ahu ahy an- ana anb anc ane anh ann anu any au- aua aub auc aue auh aun ay- aya ayc aye ayh ayn ayu b-u baa bab bac bae bah ban bau bay bba bbb bbc bbe bbh bbn bbu bby bca bcb bcc bce bch bcn bcu bcy be- bea beb bec bee beh ben beu bey bha bhb bhc bhe bhh bhu bna bnb bnc bne bnn bnu bua bub buc bue buh bun buu buy by- bya byc bye byh byn byu c-- caa cab cac cae cah can cau cay cba cbb cbc cbe cbh cbn cbu cby cca ccb ccc cce cch ccn ccu ce- cea ceb cec cee ceh cen ceu cey ch- cha chb chc che chh chn chu chy cn- cna cnb cnc cne cnh cnn cnu cny cua cub cuc cue cuh cun cuu cuy cya cyb cyc cye cyn eaa eab eac eae eah ean eau eba ebb ebc ebe ebh ebn ebu eby ec- eca ecb ecc ece ech ecn ecu eea eeb eec eee een eey eha ehb ehc ehe ehh ehn ehu en- ena enb enc ene enh enn enu eny eu- eua eub euc eue eun eya eyc eye eyn haa hab hac hae hah han hau hay hba hbb hbc hbe hbh hbn hbu hby hca hcb hcc hce hch hcn hcy he- hea heb hec hee heh hen heu hey hha hhb hhc hhe hhh hhn hhu hhy hna hnb hnc hne hnh hnn hnu hny hua hub huc hue huh hun huu huy hy- hya hyb hyc hye hyh hyn hyy naa nab nac nae nah nan nau nay nba nbb nbc nbe nbn nbu nca ncb ncc nce nch ncn ncu ne- nea neb nec nee neh nen neu ney nha nhb nhc nhe nhh nhn nhu nhy nna nnb nnc nne nnh nnn nnu nua nub nuc nue nuh nun nuu nuy nya nyc nye nyn nyu nyy ua- uaa uab uac uae uah uan uau uay uba ubb ubc ube ubh ubn ubu uby uca ucb ucc uce uch ucn ucu uea ueb uec uee ueh uen uey uha uhb uhc uhe uhh uhu uhy un- una unb unc une unh unn unu uny uua uuc uue uun uuu uyc uyu yaa yab yac yae yah yan yau yay ybc ybe yby yca ycc yce ych ycu ycy yea yeb yec yee yeh yen yey yha yhc yhe yhu yna yne ynn ynu yny yua yue yuh yun yuu yuy yyb yyc yye yyu yyy