-ey a-a a-b a-t aaa aab aae aak aat aau aay ab- aba abb abe abk abt abu aby aea aeb aee aek aet aeu aey aka akb ake akk aku at- ata atb ate att atu au- aua aub aue auk aut ay- aya aye ayk ayt ayu b-u baa bab bae bak bat bau bay bba bbb bbe bbk bbt bbu bby be- bea beb bee bek bet beu bey bka bkb bke bkk bkt bta btb bte btk btt btu bty bua bub bue buk but buu buy by- bya bye byk byt byu eaa eab eae eak eat eau eba ebb ebe ebk ebt ebu eby eea eeb eee eek eet eey eka ekb eke ekt eku eky eta etb ete etk ett etu ety eu- eua eub eue eut eya eye eyt k-t ka- kaa kab kae kak kat kau kay kba kbb kbe kbk kbu ke- kea keb kee kek ket key kkb kke kkk kkt kku kky kta ktb kte ktk ktt ktu kub kue kuk kut kuu kuy kya kye kyt kyu taa tab tae tak tat tau tay tba tbb tbe tbk tbt tbu te- tea teb tee tek tet teu tey tka tkb tke tkk tkt tky tta ttb tte ttk ttt ttu tty tua tub tue tuk tut tuu tuy tya tye tyt ua- uaa uab uae uak uat uau uay uba ubb ube ubk ubt ubu uby uea ueb uee uet uey uka ukb uke ukk uku uta utb ute utk utt utu uty uua uue uut uuu uyu yaa yab yae yak yat yau yay ybe yby yea yeb yee yek yet yey yka ykk yta yte ytk ytt ytu yua yue yuk yut yuu yuy yyb yye yyt yyu yyy