-er a-a a-b a-i a-t aaa aab aad aae aaf aai aar aat ab- aba abb abd abe abf abi abr abt ad- ada adb add ade adf adi adr adt aea aeb aed aee aef aei aer aet af- afa afb afd afe aff afi afr aft ai- aia aib aid aie aif aii air ait ar- ara arb ard are arf ari arr art at- ata atb atd ate atf ati atr att baa bab bad bae baf bai bar bat bba bbb bbd bbe bbf bbi bbr bbt bda bdb bdd bde bdf bdi bdr bdt be- bea beb bed bee bef bei ber bet bfa bfb bfd bfe bff bfi bfr bft bi- bia bib bid bie bif bii bir bit bra brb brd bre brf bri brr brt bta btb btd bte btf bti btr btt daa dab dad dae daf dai dar dat dba dbb dbd dbe dbf dbi dbr dbt dda ddb ddd dde ddf ddi ddr ddt de- dea deb ded dee def dei der det dfa dfb dfd dfe dff dfi dfr dft di- dia dib did die dif dii dir dit dra drb drd dre dri drr drt dta dtb dtd dte dtf dti dtr dtt eaa eab ead eae eaf eai ear eat eba ebb ebd ebe ebf ebi ebr ebt ed- eda edb edd ede edf edi edr edt eea eeb eed eee eef eer eet ef- efa efb efd efe eff efi efr eft eia eib eid eie eif eii eir eit era erb erd ere erf eri err ert eta etb etd ete etf eti etr ett faa fab fad fae faf fai far fat fba fbb fbd fbe fbf fbi fbr fbt fda fdb fdd fde fdf fdi fdr fdt fea feb fed fee fef fei fer fet ffa ffd ffe fff ffi ffr fft fia fib fid fie fif fii fir fit fra frb frd fre frf fri frr frt fta ftb ftd fte ftf fti ftr ftt i-d i-f ia- iaa iab iad iae iaf iai iar iat iba ibb ibd ibe ibf ibi ibr ibt ida idb idd ide idf idi idr idt ie- iea ied iee ief iei ier iet ifa ifb ifd ife iff ifi ifr ift iia iib iid iie iif iii iir iit ir- ira irb ird ire irf iri irr irt ita itb itd ite itf iti itt ra- raa rab rad rae raf rai rar rat rba rbb rbd rbe rbf rbi rbr rbt rda rdb rdd rde rdf rdi rdr rdt re- rea reb red ree ref rei rer ret rfa rfb rfd rfe rff rfi rfr rft ria rib rid rie rif rii rir rit rra rrb rrd rrf rri rrr rrt rta rtb rtd rte rtf rti rtr rtt taa tab tad tae taf tai tar tat tba tbb tbd tbe tbf tbi tbr tbt tda tdb tdd tde tdf tdi tdr tdt te- tea teb ted tee tef tei ter tet tfa tfb tfd tfe tff tfi tfr tft tia tib tid tie tif tii tir tit tra trb trd tre trf tri trr trt tta ttb ttd tte ttf tti ttr ttt

a-be a-ii aaaa aaab aaad aaae aaaf aaai aaar aaba aabb aabd aabi aabt aada aade aadi aadt aaea aafa aafb aafd aaff aafi aaib aaii aara aard aare aari aart aata aatf aatt abaa abab abad abae abaf abai abar abat abb- abba abbb abbe abbi abbr abbt abda abdi abed abee aber abet abff abia abib abid abie abir abit abra abri abta adaa adab adad adae adai adar adat adba adbi adda addd adde addi addr adea adeb adee ader adet adfa adia adib adie adif adir adit adra adre adta aeaf aebi aede aedt aeer aeit aer- aera aerd aeri aeta aetf aetr aett afaa afad afar afat afdb afee afer afet affa affi afft afia afib afid afif afir afit afr- afra afre afri afta afte aiai aiba aida aidb aide aidi aidr aidt aiea aiee aiet aifd aiff aiia aiib aiid aiir aira aird aire airi airt aita aite aitf aiti aitr aitt arab arad arae araf arai arar arat arba arbe arbi arda arde ardf ardi area ared aree aref arei aret arfa arfb arff arft aria arib arid arie arif arii arit arr- arra arre arri arrr arrt arta arte arti artr at-t ataa atab atad atae atai atar atat atdi atdt atea ated atee atef atei ater atfb atfe atia atid atie atif atit atra atre atri atta atte atti attr ba-i baaa baad baaf baar baat baba babb babe babi babr bada badb badd bade badi badr baed baer baff baft baia baib baid baie bair bait bar- bara barb bard bare barf bari barr bart bata bate batf bati batt bbad bbbb bbdd bbeb bbet bd-r bdii bead beaf bear beat beba bebb bebe bebi beda bede bedi beeb beed beef beer beet befa befe beff beft beia beir beit bera berd bere beri berr bert beta bete beti bett bfta bftt biad biaf biar biat biba bibb bibe bibi bida bide bidi bidr bieb bied bief bier biet bifa biff bifi bira birb bird bire biri birr birt bita bitd bite bitt brab brad brae braf brai brat brda brdt brea breb bred bree bref brei brer bret bria brid brie brit brrr btaa btaf btdt btie btrt bttb daab daad daae daar daba dabb dabt dada dade dadi daeb daer dafa dafe daff dafi daft daia daid daie dair dait dara darb dard dare darf dari darr dart data date dati datr datt dbar dbit dbtt dddd ddie ddre dead deae deaf dear deba debe debi debt deda dedd dede dedi deeb deed deef deer deet defe deff defi deft deid deie deif deir deit der- dera derb dere derf deri derr deta dete detr dfaf dfdt dfer dffa dfrf dfri dftr dia- diab diad diaf diar diat diba dibb dibe dida dide didi diea dieb