-ey a-a a-b a-c aaa aab aac aae aam aan aau aay ab- aba abb abc abe abm abn abu aby ac- aca acb acc ace acm acn acu acy aea aeb aec aee aem aen aeu aey ama amb amc ame amm amn amu amy an- ana anb anc ane anm ann anu any au- aua aub auc aue aum aun ay- aya ayc aye ayn ayu b-u baa bab bac bae bam ban bau bay bba bbb bbc bbe bbm bbn bbu bby bca bcb bcc bce bcm bcn bcu bcy be- bea beb bec bee bem ben beu bey bma bmb bmc bme bmm bmn bmu bna bnb bnc bne bnn bnu bua bub buc bue bum bun buu buy by- bya byc bye bym byn byu c-- caa cab cac cae cam can cau cay cba cbb cbc cbe cbm cbn cbu cby cca ccb ccc cce ccm ccn ccu ce- cea ceb cec cee cem cen ceu cey cma cmb cmc cme cmm cmn cmu cmy cn- cna cnb cnc cne cnm cnn cnu cny cua cub cuc cue cum cun cuu cuy cya cyb cyc cye cym cyn eaa eab eac eae eam ean eau eba ebb ebc ebe ebm ebn ebu eby ec- eca ecb ecc ece ecm ecn ecu eea eeb eec eee eem een eey em- ema emb emc eme emm emn emu en- ena enb enc ene enm enn enu eny eu- eua eub euc eue eun eya eyc eye eym eyn maa mab mac mae mam man mau may mba mbb mbc mbe mbm mbu mc- mca mcb mcc mce mcm mcn mcu mea meb mec mee mem men meu mey mma mmb mmc mme mmm mmn mmu mna mnb mnc mne mnm mnn mnu mua mub muc mue mum mun muu muy my- mya myb myc mye mym myn myu naa nab nac nae nam nan nau nay nba nbb nbc nbe nbm nbn nbu nca ncb ncc nce ncm ncn ncu ne- nea neb nec nee nem nen neu ney nma nmb nmc nme nmm nmn nmu nna nnb nnc nne nnm nnn nnu nua nub nuc nue num nun nuu nuy nya nyc nye nym nyn nyu nyy ua- uaa uab uac uae uam uan uau uay uba ubb ubc ube ubn ubu uby uca ucb ucc uce ucm ucn ucu uea ueb uec uee uem uen uey um- uma umb umc ume umm umn umu un- una unb unc une unm unn unu uny uua uuc uue uum uun uuu uyc uyu yaa yab yac yae yam yan yau yay ybc ybe ybm yby yca ycc yce ycu ycy yea yeb yec yee yem yen yey yma ymc yme ymm yna yne ynn ynu yny yua yue yum yun yuu yuy yyb yyc yye yyu yyy