a-a a-b aaa aab aah aar aas aau aay ab- aba abb abh abr abs abu aby aha ahb ahh ahr ahs ahu ahy ar- ara arb arh arr ars aru ary as- asa asb ash asr ass asu asy au- aua aub auh aur aus ay- aya ayh ayr ays ayu b-u baa bab bah bar bas bau bay bba bbb bbh bbr bbs bbu bby bha bhb bhh bhr bhs bhu bra brb brh brr brs bru bry bsa bsb bsh bsr bss bsu bsy bua bub buh bur bus buu buy by- bya byh byr bys byu haa hab hah har has hau hay hba hbb hbh hbr hbs hbu hby hha hhb hhh hhr hhs hhu hhy hr- hra hrb hrh hrr hrs hru hsa hsb hsh hsr hss hsu hsy hua hub huh hur hus huu huy hy- hya hyb hyh hyr hys hyy ra- raa rab rah rar ras rau ray rba rbb rbh rbr rbs rbu rh- rha rhb rhh rhr rhs rhu rra rrb rrh rrr rrs rru rsa rsb rsh rsr rss rsu rua rub ruh rur rus ruu ruy ry- rya ryr rys ryu ryy saa sab sah sar sas sau say sba sbb sbh sbr sbs sbu sby sh- sha shb shh shr shs shu shy sr- sra srb srh srr srs sry ss- ssa ssb ssh ssr sss ssu sua sub suh sur sus suu suy sy- sya syb syh syr sys syu ua- uaa uab uah uar uas uau uay uba ubb ubh ubr ubs ubu uby uha uhb uhh uhr uhs uhu uhy ur- ura urb urr urs uru ury usa usb ush usr uss usu uua uur uus uuu uys uyu yaa yab yah yar yas yau yay ybr ybs yby yha yhs yhu yra yrs yru ysa ysb ysr yss ysu ysy yua yuh yur yus yuu yuy yyb yys yyu yyy