a-a a-b a-i aaa aab aad aah aai aar aay ab- aba abb abd abh abi abr aby ad- ada adb add adh adi adr ady aha ahb ahd ahh ahi ahr ahy ai- aia aib aid aih aii air aiy ar- ara arb ard arh ari arr ary ay- aya ayd ayh ayi ayr baa bab bad bah bai bar bay bba bbb bbd bbh bbi bbr bby bda bdb bdd bdh bdi bdr bdy bha bhb bhd bhh bhi bhr bi- bia bib bid bih bii bir biy bra brb brd brh bri brr bry by- bya byd byh byi byr daa dab dad dah dai dar day dba dbb dbd dbh dbi dbr dby dda ddb ddd ddh ddi ddr ddy dh- dha dhb dhd dhh dhi dhr di- dia dib did dih dii dir diy dra drb drd dri drr dry dy- dya dyb dyd dyr dyy h-i haa hab had hah hai har hay hba hbb hbd hbh hbi hbr hby hda hdb hdd hdh hdi hdr hdy hha hhb hhd hhh hhi hhr hhy hia hib hid hih hii hir hr- hra hrb hrd hrh hri hrr hy- hya hyb hyd hyh hyi hyr hyy i-d ia- iaa iab iad iah iai iar iba ibb ibd ibh ibi ibr iby ida idb idd idh idi idr idy iha ihb ihd ihh ihi ihr ihy iia iib iid iih iii iir ir- ira irb ird iri irr iry iya iyr iyy ra- raa rab rad rah rai rar ray rba rbb rbd rbh rbi rbr rda rdb rdd rdh rdi rdr rdy rh- rha rhb rhd rhh rhi rhr ria rib rid rih rii rir riy rra rrb rrd rrh rri rrr ry- rya ryd ryr ryy yaa yab yad yah yai yar yay ybi ybr yby yda ydy yha yhi yid yih yii yir yra yyb yyy