-ey a-a a-b a-i aaa aab aae aag aai aak aau aay ab- aba abb abe abg abi abk abu aby aea aeb aee aeg aei aek aeu aey ag- aga agb age agg agi agk agu agy ai- aia aib aie aig aii aik aiu aiy aka akb ake akg aki akk aku au- aua aub aue aug aui auk ay- aya aye ayi ayk ayu b-u baa bab bae bag bai bak bau bay bba bbb bbe bbg bbi bbk bbu bby be- bea beb bee beg bei bek beu bey bga bgb bge bgg bgi bgk bgu bi- bia bib bie big bii bik biu biy bka bkb bke bkg bkk bua bub bue bug bui buk buu buy by- bya bye byg byi byk byu eaa eab eae eag eai eak eau eba ebb ebe ebg ebi ebk ebu eby eea eeb eee eeg eek eey ega egb ege egg egi egu egy eia eib eie eig eii eik eiu eka ekb eke ekg eki eku eky eu- eua eub eue eug eui eya eye gaa gab gae gag gai gak gau gay gba gbe gbg gbi gbk gbu gby ge- gea geb gee geg gei gek geu gey gga ggb ggg ggi ggu gia gib gie gig gii gik giu giy gka gkb gu- gua gub gue gug gui guk guu guy gy- gya gyb gye ia- iaa iab iae iag iai iau iba ibb ibe ibg ibi ibk ibu iby ie- iea iee ieg iei iek iey iga igb ige igg igi igk igu igy iia iib iie iii iiu ika ikb ike iki ikk iku iu- iua iub iue iug iui iya iye iyy ka- kaa kab kae kag kai kak kau kay kba kbb kbe kbi kbk kbu ke- kea keb kee keg kei kek key kga kgb kgi kgu kgy kia kib kie kig kii kik kiu kkb kke kki kkk kku kky kub kue kug kui kuk kuu kuy kya kye kyu ua- uaa uab uae uag uai uak uau uay uba ubb ube ubg ubi ubk ubu uby uea ueb uee ueg uei uey uga ugb uge ugg ugi ugk ugu uia uib uie uig uii uiu uka ukb uke uki ukk uku uua uue uug uuu uyi uyu yaa yab yae yag yai yak yau yay ybe ybg ybi yby yea yeb yee yeg yei yek yey yga yie yig yii yka yki ykk yua yue yug yui yuk yuu yuy yyb yye yyg yyu yyy