-er -ey a-a a-b aaa aab aae aam aan aao aar aay ab- aba abb abe abm abn abo abr aby aea aeb aee aem aen aeo aer aey ama amb ame amm amn amo amr amy an- ana anb ane anm ann ano anr any aoa aob aoe aom aon aoo aor ar- ara arb are arm arn aro arr ary ay- aya aye ayn ayo ayr baa bab bae bam ban bao bar bay bba bbb bbe bbm bbn bbo bbr bby be- bea beb bee bem ben beo ber bey bma bmb bme bmm bmn bmo bmr bna bnb bne bnn bno bnr boa bob boe bom bon boo bor boy bra brb bre brm brn bro brr bry by- bya bye bym byn byo byr eaa eab eae eam ean eao ear eba ebb ebe ebm ebn ebo ebr eby eea eeb eee eem een eeo eer eey em- ema emb eme emm emn emo emr en- ena enb ene enm enn eno enr eny eo- eoa eob eoe eom eon eoo eor era erb ere erm ern ero err ery eya eye eym eyn eyo eyr m-o m-r maa mab mae mam man mao mar may mba mbb mbe mbm mbo mbr mea meb mee mem men meo mer mey mma mmb mme mmm mmn mmo mmr mna mnb mne mnm mnn mno mnr moa mob moe mom mon moo mor moy mra mrb mre mrm mrn mro mrr mry my- mya myb mye mym myn myo myr naa nab nae nam nan nao nar nay nba nbb nbe nbm nbn nbo nbr ne- nea neb nee nem nen neo ner ney nma nmb nme nmm nmn nmo nmr nna nnb nne nnm nnn nno no- noa nob noe nom non noo nor noy nra nrb nre nrm nrn nro nrr nry nya nye nym nyn nyo nyy oaa oab oae oam oan oao oar ob- oba obb obe obm obn obo obr oby oea oeb oee oem oen oeo oer oey om- oma omb ome omm omn omo omr omy on- ona onb one onn ono onr ony oo- ooa oob oom oon ooo oor or- ora orb ore orm orn oro orr ory oya oye oyo ra- raa rab rae ram ran rao rar ray rba rbb rbe rbm rbn rbo rbr re- rea reb ree rem ren reo rer rey rma rmb rme rmm rmn rmo rmr rna rnb rnm rnn rno rnr rny roa rob roe rom ron roo ror roy rra rrb rrm rrn rrr ry- rya rye rym ryn ryo ryr ryy yaa yab yae yam yan yao yar yay ybe ybm ybr yby yea yeb yee yem yen yeo yer yey yma yme ymm ymo yna yne ynn yny yob yoe yom yon yoo yor yoy yra yre yrn yro yyb yye yyy