a-a a-b a-i aaa aab aai aak aan aar aay ab- aba abb abi abk abn abr aby ai- aia aib aii aik ain air aiy aka akb aki akk akn akr an- ana anb ani ank ann anr any ar- ara arb ari ark arn arr ary ay- aya ayi ayk ayn ayr baa bab bai bak ban bar bay bba bbb bbi bbk bbn bbr bby bi- bia bib bii bik bin bir biy bka bkb bkk bkn bkr bna bnb bni bnk bnn bnr bra brb bri brk brn brr bry by- bya byi byk byn byr ia- iaa iab iai ian iar iba ibb ibi ibk ibn ibr iby iia iib iii iin iir ika ikb iki ikk ikr in- ina inb ini ink inn inr iny ir- ira irb iri irk irn irr iry iya iyr iyy ka- kaa kab kai kak kan kar kay kba kbb kbi kbk kbn kbr kia kib kii kik kin kir kkb kki kkk kkn kkr kky kn- kna kni knk knn knr kra kri krk krn krr kry kya kyn kyr n-i naa nab nai nak nan nar nay nba nbb nbi nbk nbn nbr nia nib nii nik nin nir nka nki nkk nkn nkr nky nna nnb nni nnk nnn nra nrb nri nrk nrn nrr nry nya nyk nyn nyy ra- raa rab rai rak ran rar ray rba rbb rbi rbk rbn rbr ria rib rii rik rin rir riy rkb rkk rky rna rnb rni rnn rnr rny rra rrb rri rrk rrn rrr ry- rya ryk ryn ryr ryy yaa yab yai yak yan yar yay ybi ybr yby yii yin yir yka yki ykk ykn yna ynk ynn yny yra yrn yyb yyy