-er a-a a-b a-i aaa aab aad aae aaf aai aam aar ab- aba abb abd abe abf abi abm abr ad- ada adb add ade adf adi adm adr aea aeb aed aee aef aei aem aer af- afa afb afd afe aff afi afm afr ai- aia aib aid aie aif aii aim air ama amb amd ame amf ami amm amr ar- ara arb ard are arf ari arm arr baa bab bad bae baf bai bam bar bba bbb bbd bbe bbf bbi bbm bbr bda bdb bdd bde bdf bdi bdm bdr be- bea beb bed bee bef bei bem ber bfa bfb bfd bfe bff bfi bfm bfr bi- bia bib bid bie bif bii bim bir bma bmb bmd bme bmf bmi bmm bmr bra brb brd bre brf bri brm brr daa dab dad dae daf dai dam dar dba dbb dbd dbe dbf dbi dbm dbr dda ddb ddd dde ddf ddi ddm ddr de- dea deb ded dee def dei dem der dfa dfb dfd dfe dff dfi dfm dfr di- dia dib did die dif dii dim dir dma dmb dmd dme dmf dmi dmm dmr dra drb drd dre dri drm drr eaa eab ead eae eaf eai eam ear eba ebb ebd ebe ebf ebi ebm ebr ed- eda edb edd ede edf edi edm edr eea eeb eed eee eef eem eer ef- efa efb efd efe eff efi efm efr eia eib eid eie eif eii eim eir em- ema emb emd eme emf emi emm emr era erb erd ere erf eri erm err faa fab fad fae faf fai fam far fba fbb fbd fbe fbf fbi fbm fbr fda fdb fdd fde fdf fdi fdm fdr fea feb fed fee fef fei fem fer ffa ffd ffe fff ffi ffm ffr fia fib fid fie fif fii fim fir fma fmb fmd fme fmf fmi fmm fmr fra frb frd fre frf fri frm frr i-d i-f ia- iaa iab iad iae iaf iai iam iar iba ibb ibd ibe ibf ibi ibm ibr ida idb idd ide idf idi idm idr ie- iea ied iee ief iei iem ier ifa ifb ifd ife iff ifi ifm ifr iia iib iid iie iif iii iim iir im- ima imb imd ime imf imi imm ir- ira irb ird ire irf iri irm irr m-f m-r maa mab mad mae maf mai mam mar mba mbb mbd mbe mbf mbi mbm mbr mda mdb mdd mde mdf mdi mdm mdr mea meb med mee mef mei mem mer mfa mfb mfd mfe mff mfi mfm mfr mi- mia mib mid mie mif mii mim mir mma mmb mmd mme mmf mmi mmm mmr mra mrb mrd mre mrf mri mrm mrr ra- raa rab rad rae raf rai ram rar rba rbb rbd rbe rbf rbi rbm rbr rda rdb rdd rde rdf rdi rdm rdr re- rea reb red ree ref rei rem rer rfa rfb rfd rfe rff rfi rfm rfr ria rib rid rie rif rii rim rir rma rmb rmd rme rmf rmi rmm rmr rra rrb rrd rrf rri rrm rrr

a-be a-ii aaaa aaab aaad aaae aaaf aaai aaam aaar aaba aabb aabd aabi aabm aada aade aadi aaea aaem aafa aafb aafd aaff aafi aaib aaii aama aamb aamd aame aami aamr aara aard aare aari aarm abaa abab abad abae abaf abai abam abar abb- abba abbb abbe abbi abbr abda abdi abed abee aber abff abia abib abid abie abim abir abma abmb abra abri adaa adab adad adae adai adam adar adba adbi adda addd adde addi addr adea adeb adee adem ader adfa adia adib adie adif adim adir adma admb adme admi admr adra adre aeaf aebi aede aeer aer- aera aerd aeri afaa afad afam afar afdb afee afer affa affi afia afib afid afif afir afma afr- afra afre afri afrm aiai aiba aida aidb aide aidi aidr aiea aiee aifd aiff aiia aiib aiid aiir aime aimi aimm aira aird aire airi amaa amad amae amai amam amar amb- amba ambe ambi ambr amda amed amee amei amer amfm amfr amia amib amid amie amif amii amir amm- amma amme ammi amra amri arab arad arae araf arai aram arar arba arbe arbi arda arde ardf ardi ardm area ared aree aref arei arem arfa arfb arff aria arib arid arie arif arii arim arma armd arme armi armm arr- arra arre arri arrr ba-i baaa baad baaf baam baar baba babb babe babi babm babr bada badb badd bade badi badr baed baer baff baia baib baid baie bair bama bamb bame bamf bami bamm bar- bara barb bard bare barf bari barm barr bbad bbbb bbdd bbeb bd-r bdii bdmi bdrm bead beaf beam bear beba bebb bebe bebi beda bede bedi beeb beed beef beem beer befa befe beff beia beim beir bema beme bera berd bere beri berm berr bfme biad biaf biar biba bibb bibe bibi bida bide bidi bidr bieb bied bief bier bifa biff bifi bima bira birb bird bire biri birr bmaa bmdb bmir bmmi brab brad brae braf brai bram brda brdm brea breb bred bree bref brei brem brer brfm bria brid brie brim brrm brrr daab daad daae daam daar daba dabb dada dade dadi daeb daem daer dafa dafe daff dafi daia daid daie daim dair dama damb dame dami damm dara darb dard dare darf dari darr dbar dddd ddie ddre dead deae deaf dear deba debe debi deda dedd dede dedi deeb deed deef deem deer defe deff defi deid deie deif deim deir dem- dema demb demd deme demi der- dera derb dere derf deri derm derr dfaf dfer dffa dfma dfrf dfri dia- diab diad diaf diam diar diba dibb dibe dida dide didi diea dieb died dief diem dier dif- difa diff diii dima dime dimi dimm dira dird dire dirr