a-a a-b a-q aaa aab aaq aar aas aau aay ab- aba abb abq abr abs abu aby aqa aqr aqs ar- ara arb arq arr ars aru ary as- asa asb asq asr ass asu asy au- aua aub aur aus ay- aya ayr ays ayu b-u baa bab baq bar bas bau bay bba bbb bbq bbr bbs bbu bby bra brb brq brr brs bru bry bsa bsb bsr bss bsu bsy bua bub bur bus buu buy by- bya byq byr bys byu qaa qar qas qau qba qbq qbs qqq qqu qra qrb qrs qru qsa qsr qu- qua qur qus quy ra- raa rab raq rar ras rau ray rba rbb rbr rbs rbu rqs rra rrb rrq rrr rrs rru rsa rsb rsq rsr rss rsu rua rub rur rus ruu ruy ry- rya ryr rys ryu ryy saa sab saq sar sas sau say sba sbb sbq sbr sbs sbu sby sqa sqq sqr sqs sr- sra srb srq srr srs sry ss- ssa ssb ssq ssr sss ssu sua sub suq sur sus suu suy sy- sya syb syr sys syu ua- uaa uab uaq uar uas uau uay uba ubb ubr ubs ubu uby ur- ura urb urr urs uru ury usa usb usr uss usu uua uur uus uuu uys uyu yaa yab yar yas yau yay ybr ybs yby yqb yqr yra yrs yru ysa ysb ysr yss ysu ysy yua yur yus yuu yuy yyb yys yyu yyy