a-a a-b aaa aab aag aah aao aar aau aay ab- aba abb abg abh abo abr abu aby ag- aga agb agg agh ago agr agu agy aha ahb ahg ahh aho ahr ahu ahy aoa aob aog aoh aoo aor aou ar- ara arb arg arh aro arr aru ary au- aua aub aug auh auo aur ay- aya ayh ayo ayr ayu b-u baa bab bag bah bao bar bau bay bba bbb bbg bbh bbo bbr bbu bby bga bgb bgg bgh bgo bgr bgu bha bhb bhg bhh bho bhr bhu boa bob bog boh boo bor bou boy bra brb brg brh bro brr bru bry bua bub bug buh buo bur buu buy by- bya byg byh byo byr byu gaa gab gag gah gao gar gau gay gba gbg gbh gbo gbr gbu gby gga ggb ggg ggh ggo ggr ggu gha ghb ghg ghh gho ghr goa gob gog goh goo gor gou goy gra grb grg grh gro grr gru gry gu- gua gub gug guo gur guu guy gy- gya gyb gyo gyr haa hab hag hah hao har hau hay hba hbb hbg hbh hbo hbr hbu hby hga hgb hgg hgh hgo hgr hgu hgy hha hhb hhg hhh hho hhr hhu hhy hoa hob hog hoh hoo hor hou hoy hr- hra hrb hrg hrh hro hrr hru hua hub hug huh huo hur huu huy hy- hya hyb hyg hyh hyo hyr hyy oaa oab oag oah oao oar oau ob- oba obb obg obh obo obr obu oby oga ogg ogh ogo ogy oha ohg ohh oho ohr ohu oo- ooa oob oog ooh ooo oor or- ora orb org orh oro orr oru ory ou- oua ouh ouo our oya oyo ra- raa rab rag rah rao rar rau ray rba rbb rbg rbh rbo rbr rbu rga rgb rgg rgh rgo rgr rh- rha rhb rhg rhh rho rhr rhu roa rob rog roh roo ror rou roy rra rrb rrg rrh rrr rru rua rub rug ruh ruo rur ruu ruy ry- rya ryg ryo ryr ryu ryy ua- uaa uab uag uah uao uar uau uay uba ubb ubg ubh ubo ubr ubu uby uga ugb ugg ugh ugo ugr ugu uha uhb uhh uho uhr uhu uhy uoa uob uog uoo uor ur- ura urb urg uro urr uru ury uua uug uur uuu uyo uyu yaa yab yag yah yao yar yau yay ybg ybr yby yga ygo yha yhu yob yog yoo yor you yoy yra yrg yro yru yua yug yuh yuo yur yuu yuy yyb yyg yyu yyy