a-a a-b a-i aaa aab aad aah aai aao aar aay ab- aba abb abd abh abi abo abr aby ad- ada adb add adh adi ado adr ady aha ahb ahd ahh ahi aho ahr ahy ai- aia aib aid aih aii aio air aiy aoa aob aod aoh aoi aoo aor ar- ara arb ard arh ari aro arr ary ay- aya ayd ayh ayi ayo ayr baa bab bad bah bai bao bar bay bba bbb bbd bbh bbi bbo bbr bby bda bdb bdd bdh bdi bdo bdr bdy bha bhb bhd bhh bhi bho bhr bi- bia bib bid bih bii bio bir biy boa bob bod boh boi boo bor boy bra brb brd brh bri bro brr bry by- bya byd byh byi byo byr daa dab dad dah dai dao dar day dba dbb dbd dbh dbi dbo dbr dby dda ddb ddd ddh ddi ddo ddr ddy dh- dha dhb dhd dhh dhi dho dhr di- dia dib did dih dii dio dir diy doa dob dod doh doi doo dor doy dra drb drd dri dro drr dry dy- dya dyb dyd dyo dyr dyy h-i haa hab had hah hai hao har hay hba hbb hbd hbh hbi hbo hbr hby hda hdb hdd hdh hdi hdo hdr hdy hha hhb hhd hhh hhi hho hhr hhy hia hib hid hih hii hio hir hoa hob hod hoh hoi hoo hor hoy hr- hra hrb hrd hrh hri hro hrr hy- hya hyb hyd hyh hyi hyo hyr hyy i-d ia- iaa iab iad iah iai iao iar iba ibb ibd ibh ibi ibo ibr iby ida idb idd idh idi ido idr idy iha ihb ihd ihh ihi iho ihr ihy iia iib iid iih iii iio iir io- ioa iob iod ioh ioi ioo ior ir- ira irb ird iri iro irr iry iya iyo iyr iyy o-i oaa oab oad oah oai oao oar ob- oba obb obd obh obi obo obr oby oda odb odd odh odi odo odr oha ohd ohh ohi oho ohr oia oib oid oii oio oir oo- ooa oob ood ooh ooi ooo oor or- ora orb ord orh ori oro orr ory oya oyd oyi oyo ra- raa rab rad rah rai rao rar ray rba rbb rbd rbh rbi rbo rbr rda rdb rdd rdh rdi rdo rdr rdy rh- rha rhb rhd rhh rhi rho rhr ria rib rid rih rii rio rir riy roa rob rod roh roi roo ror roy rra rrb rrd rrh rri rrr ry- rya ryd ryo ryr ryy yaa yab yad yah yai yao yar yay ybi ybr yby yda ydo ydy yha yhi yid yih yii yio yir yob yod yoi yoo yor yoy yra yro yyb yyy