-er -ey a-a a-b aaa aab aad aae aah aak aar aay ab- aba abb abd abe abh abk abr aby ad- ada adb add ade adh adk adr ady aea aeb aed aee aeh aek aer aey aha ahb ahd ahe ahh ahk ahr ahy aka akb akd ake akh akk akr ar- ara arb ard are arh ark arr ary ay- aya ayd aye ayh ayk ayr baa bab bad bae bah bak bar bay bba bbb bbd bbe bbh bbk bbr bby bda bdb bdd bde bdh bdk bdr bdy be- bea beb bed bee beh bek ber bey bha bhb bhd bhe bhh bhk bhr bka bkb bke bkk bkr bra brb brd bre brh brk brr bry by- bya byd bye byh byk byr daa dab dad dae dah dak dar day dba dbb dbd dbe dbh dbk dbr dby dda ddb ddd dde ddh ddk ddr ddy de- dea deb ded dee deh dek der dey dh- dha dhb dhd dhe dhh dhk dhr dka dkb dke dkk dkr dra drb drd dre drk drr dry dy- dya dyb dyd dye dyk dyr dyy eaa eab ead eae eah eak ear eba ebb ebd ebe ebh ebk ebr eby ed- eda edb edd ede edh edk edr edy eea eeb eed eee eek eer eey eha ehb ehd ehe ehh ehr eka ekb ekd eke ekh ekr eky era erb erd ere erh erk err ery eya eyd eye eyr haa hab had hae hah hak har hay hba hbb hbd hbe hbh hbk hbr hby hda hdb hdd hde hdh hdk hdr hdy he- hea heb hed hee heh hek her hey hha hhb hhd hhe hhh hhk hhr hhy hka hkb hkd hkh hkk hkr hr- hra hrb hrd hre hrh hrk hrr hy- hya hyb hyd hye hyh hyr hyy ka- kaa kab kad kae kah kak kar kay kba kbb kbd kbe kbh kbk kbr kda kdb kde kdh kdk kdr kdy ke- kea keb ked kee keh kek ker key kha khe khh khk khr kkb kke kkh kkk kkr kky kra krd krk krr kry kya kyd kye kyr ra- raa rab rad rae rah rak rar ray rba rbb rbd rbe rbh rbk rbr rda rdb rdd rde rdh rdr rdy re- rea reb red ree reh rek rer rey rh- rha rhb rhd rhe rhh rhr rkb rke rkk rky rra rrb rrd rrh rrk rrr ry- rya ryd rye ryk ryr ryy yaa yab yad yae yah yak yar yay ybe ybr yby yda yde ydy yea yeb yed yee yeh yek yer yey yha yhe yka ykk yra yre yyb yye yyy