-er -ey a-a a-b a-i aaa aab aae aai aam aar aay ab- aba abb abe abi abm abr aby aea aeb aee aei aem aer aey ai- aia aib aie aii aim air aiy ama amb ame ami amm amr amy ar- ara arb are ari arm arr ary ay- aya aye ayi ayr baa bab bae bai bam bar bay bba bbb bbe bbi bbm bbr bby be- bea beb bee bei bem ber bey bi- bia bib bie bii bim bir biy bma bmb bme bmi bmm bmr bra brb bre bri brm brr bry by- bya bye byi bym byr eaa eab eae eai eam ear eba ebb ebe ebi ebm ebr eby eea eeb eee eem eer eey eia eib eie eii eim eir em- ema emb eme emi emm emr era erb ere eri erm err ery eya eye eym eyr ia- iaa iab iae iai iam iar iba ibb ibe ibi ibm ibr iby ie- iea iee iei iem ier iey iia iib iie iii iim iir im- ima imb ime imi imm imy ir- ira irb ire iri irm irr iry iya iye iym iyr iyy m-r maa mab mae mai mam mar may mba mbb mbe mbi mbm mbr mea meb mee mei mem mer mey mi- mia mib mie mii mim mir miy mma mmb mme mmi mmm mmr mra mrb mre mri mrm mrr mry my- mya myb mye mym myr ra- raa rab rae rai ram rar ray rba rbb rbe rbi rbm rbr re- rea reb ree rei rem rer rey ria rib rie rii rim rir riy rma rmb rme rmi rmm rmr rra rrb rri rrm rrr ry- rya rye rym ryr ryy yaa yab yae yai yam yar yay ybe ybi ybm ybr yby yea yeb yee yei yem yer yey yie yii yim yir yma yme ymi ymm yra yre yyb yye yyy