-er -ey a-a a-b a-i aaa aab aad aae aag aai aak aar aay ab- aba abb abd abe abg abi abk abr aby ad- ada adb add ade adg adi adk adr ady aea aeb aed aee aeg aei aek aer aey ag- aga agb agd age agg agi agk agr agy ai- aia aib aid aie aig aii aik air aiy aka akb akd ake akg aki akk akr ar- ara arb ard are arg ari ark arr ary ay- aya ayd aye ayi ayk ayr baa bab bad bae bag bai bak bar bay bba bbb bbd bbe bbg bbi bbk bbr bby bda bdb bdd bde bdg bdi bdk bdr bdy be- bea beb bed bee beg bei bek ber bey bga bgb bgd bge bgg bgi bgk bgr bi- bia bib bid bie big bii bik bir biy bka bkb bke bkg bkk bkr bra brb brd bre brg bri brk brr bry by- bya byd bye byg byi byk byr daa dab dad dae dag dai dak dar day dba dbb dbd dbe dbg dbi dbk dbr dby dda ddb ddd dde ddg ddi ddk ddr ddy de- dea deb ded dee deg dei dek der dey dga dgd dge dgg dgi dgk dgr di- dia dib did die dig dii dik dir diy dka dkb dke dkg dki dkk dkr dra drb drd dre drg dri drk drr dry dy- dya dyb dyd dye dyk dyr dyy eaa eab ead eae eag eai eak ear eba ebb ebd ebe ebg ebi ebk ebr eby ed- eda edb edd ede edg edi edk edr edy eea eeb eed eee eeg eek eer eey ega egb egd ege egg egi egr egy eia eib eid eie eig eii eik eir eka ekb ekd eke ekg eki ekr eky era erb erd ere erg eri erk err ery eya eyd eye eyr g-d gaa gab gad gae gag gai gak gar gay gba gbd gbe gbg gbi gbk gbr gby gda gdb gdd gde gdi gdk gdr ge- gea geb ged gee geg gei gek ger gey gga ggb ggd ggg ggi ggr gia gib gid gie gig gii gik gir giy gka gkb gkd gra grb grd gre grg gri grk grr gry gy- gya gyb gyd gye gyr i-d ia- iaa iab iad iae iag iai iar iba ibb ibd ibe ibg ibi ibk ibr iby ida idb idd ide idg idi idk idr idy ie- iea ied iee ieg iei iek ier iey iga igb igd ige igg igi igk igr igy iia iib iid iie iii iir ika ikb ike iki ikk ikr ir- ira irb ird ire irg iri irk irr iry iya iye iyr iyy ka- kaa kab kad kae kag kai kak kar kay kba kbb kbd kbe kbi kbk kbr kda kdb kde kdg kdk kdr kdy ke- kea keb ked kee keg kei kek ker key kga kgb kgd kgi kgy kia kib kid kie kig kii kik kir kkb kke kki kkk kkr kky kra krd krg kri krk krr kry kya kyd kye kyr ra- raa rab rad rae rag rai rak rar ray rba rbb rbd rbe rbg rbi rbk rbr rda rdb rdd rde rdg rdi rdr rdy re- rea reb red ree reg rei rek rer rey rga rgb rgd rge rgg rgi rgk rgr ria rib rid rie rig rii rik rir riy rkb rke rkg rkk rky rra rrb rrd rrg rri rrk rrr ry- rya ryd rye ryg ryk ryr ryy yaa yab yad yae yag yai yak yar yay ybe ybg ybi ybr yby yda yde ydg ydy yea yeb yed yee yeg yei yek yer yey yga yid yie yig yii yir yka yki ykk yra yre yrg yyb yye yyg yyy