a-a a-b a-i a-q aaa aab aai aak aaq aar aau aay ab- aba abb abi abk abq abr abu aby ai- aia aib aii aik aiq air aiu aiy aka akb aki akk akr aku aqa aqi aqr ar- ara arb ari ark arq arr aru ary au- aua aub aui auk aur ay- aya ayi ayk ayr ayu b-u baa bab bai bak baq bar bau bay bba bbb bbi bbk bbq bbr bbu bby bi- bia bib bii bik bir biu biy bka bkb bkk bkq bkr bra brb bri brk brq brr bru bry bua bub bui buk bur buu buy by- bya byi byk byq byr byu ia- iaa iab iai iaq iar iau iba ibb ibi ibk ibr ibu iby iia iib iii iir iiu ika ikb iki ikk ikr iku iqa iqu ir- ira irb iri irk irq irr iru iry iu- iua iub iui iur iya iyr iyy ka- kaa kab kai kak kar kau kay kba kbb kbi kbk kbr kbu kia kib kii kik kir kiu kkb kki kkk kkr kku kky kqa kra kri krk krr kru kry kub kui kuk kur kuu kuy kya kyr kyu qaa qar qau qba qbq qik qir qiu qki qqk qqq qqu qra qrb qri qru qu- qua qui qur quy ra- raa rab rai rak raq rar rau ray rba rbb rbi rbk rbr rbu ria rib rii rik riq rir riy rkb rkk rku rky rra rrb rri rrk rrq rrr rru rua rub rui ruk rur ruu ruy ry- rya ryk ryr ryu ryy ua- uaa uab uai uak uaq uar uau uay uba ubb ubi ubk ubr ubu uby uia uib uii uiq uir uiu uka ukb uki ukk ukr uku ur- ura urb uri urk urr uru ury uua uur uuu uyi uyu yaa yab yai yak yar yau yay ybi ybr yby yii yiq yir yka yki ykk yqb yqr yra yru yua yui yuk yur yuu yuy yyb yyu yyy