a-a a-b aaa aab aah aak aar aau aay ab- aba abb abh abk abr abu aby aha ahb ahh ahk ahr ahu ahy aka akb akh akk akr aku ar- ara arb arh ark arr aru ary au- aua aub auh auk aur ay- aya ayh ayk ayr ayu b-u baa bab bah bak bar bau bay bba bbb bbh bbk bbr bbu bby bha bhb bhh bhk bhr bhu bka bkb bkk bkr bra brb brh brk brr bru bry bua bub buh buk bur buu buy by- bya byh byk byr byu haa hab hah hak har hau hay hba hbb hbh hbk hbr hbu hby hha hhb hhh hhk hhr hhu hhy hka hkb hkh hkk hkr hku hr- hra hrb hrh hrk hrr hru hua hub huh huk hur huu huy hy- hya hyb hyh hyr hyy ka- kaa kab kah kak kar kau kay kba kbb kbh kbk kbr kbu kha khh khk khr khu kkb kkh kkk kkr kku kky kra krk krr kru kry kub kuh kuk kur kuu kuy kya kyr kyu ra- raa rab rah rak rar rau ray rba rbb rbh rbk rbr rbu rh- rha rhb rhh rhr rhu rkb rkk rku rky rra rrb rrh rrk rrr rru rua rub ruh ruk rur ruu ruy ry- rya ryk ryr ryu ryy ua- uaa uab uah uak uar uau uay uba ubb ubh ubk ubr ubu uby uha uhb uhh uhr uhu uhy uka ukb ukk ukr uku ur- ura urb urk urr uru ury uua uur uuu uyu yaa yab yah yak yar yau yay ybr yby yha yhu yka ykk yra yru yua yuh yuk yur yuu yuy yyb yyu yyy