a-a a-b aaa aab aad aag aah aao aar aau aay ab- aba abb abd abg abh abo abr abu aby ad- ada adb add adg adh ado adr adu ady ag- aga agb agd agg agh ago agr agu agy aha ahb ahd ahg ahh aho ahr ahu ahy aoa aob aod aog aoh aoo aor aou ar- ara arb ard arg arh aro arr aru ary au- aua aub aud aug auh auo aur ay- aya ayd ayh ayo ayr ayu b-u baa bab bad bag bah bao bar bau bay bba bbb bbd bbg bbh bbo bbr bbu bby bda bdb bdd bdg bdh bdo bdr bdu bdy bga bgb bgd bgg bgh bgo bgr bgu bha bhb bhd bhg bhh bho bhr bhu boa bob bod bog boh boo bor bou boy bra brb brd brg brh bro brr bru bry bua bub bud bug buh buo bur buu buy by- bya byd byg byh byo byr byu daa dab dad dag dah dao dar dau day dba dbb dbd dbg dbh dbo dbr dbu dby dda ddb ddd ddg ddh ddo ddr ddu ddy dga dgd dgg dgh dgr dgu dh- dha dhb dhd dhh dho dhr dhu doa dob dod dog doh doo dor dou doy dra drb drd drg dro drr dru dry dua dub dud dug duh duo dur duy dy- dya dyb dyd dyo dyr dyu dyy g-d gaa gab gad gag gah gao gar gau gay gba gbd gbg gbh gbo gbr gbu gby gda gdb gdd gdh gdo gdr gdu gga ggb ggd ggg ggh ggo ggr ggu gha ghb ghd ghg ghh gho ghr goa gob god gog goh goo gor gou goy gra grb grd grg grh gro grr gru gry gu- gua gub gud gug guo gur guu guy gy- gya gyb gyd gyo gyr haa hab had hag hah hao har hau hay hba hbb hbd hbg hbh hbo hbr hbu hby hda hdb hdd hdg hdh hdo hdr hdu hdy hga hgb hgg hgh hgo hgr hgu hgy hha hhb hhd hhg hhh hho hhr hhu hhy hoa hob hod hog hoh hoo hor hou hoy hr- hra hrb hrd hrg hrh hro hrr hru hua hub hud hug huh huo hur huu huy hy- hya hyb hyd hyg hyh hyo hyr hyy oaa oab oad oag oah oao oar oau ob- oba obb obd obg obh obo obr obu oby oda odb odd odg odh odo odr odu oga ogd ogg ogh ogo ogy oha ohd ohg ohh oho ohr ohu oo- ooa oob ood oog ooh ooo oor or- ora orb ord org orh oro orr oru ory ou- oua oud ouh ouo our oya oyd oyo ra- raa rab rad rag rah rao rar rau ray rba rbb rbd rbg rbh rbo rbr rbu rda rdb rdd rdg rdh rdo rdr rdu rdy rga rgb rgd rgg rgh rgo rgr rh- rha rhb rhd rhg rhh rho rhr rhu roa rob rod rog roh roo ror rou roy rra rrb rrd rrg rrh rrr rru rua rub rud rug ruh ruo rur ruu ruy ry- rya ryd ryg ryo ryr ryu ryy ua- uaa uab uad uag uah uao uar uau uay uba ubb ubg ubh ubo ubr ubu uby uda udb udd udg udo udr udu uga ugb ugg ugh ugo ugr ugu uha uhb uhd uhh uho uhr uhu uhy uoa uob uod uog uoo uor ur- ura urb urd urg uro urr uru ury uua uug uur uuu uyo uyu yaa yab yad yag yah yao yar yau yay ybg ybr yby yda ydg ydo ydy yga ygo yha yhu yob yod yog yoo yor you yoy yra yrg yro yru yua yud yug yuh yuo yur yuu yuy yyb yyg yyu yyy