-er a-a a-b a-i a-t aaa aab aad aae aaf aag aai aar aat ab- aba abb abd abe abf abg abi abr abt ad- ada adb add ade adf adg adi adr adt aea aeb aed aee aef aeg aei aer aet af- afa afb afd afe aff afg afi afr aft ag- aga agb agd age agf agg agi agr agt ai- aia aib aid aie aif aig aii air ait ar- ara arb ard are arf arg ari arr art at- ata atb atd ate atf atg ati atr att baa bab bad bae baf bag bai bar bat bba bbb bbd bbe bbf bbg bbi bbr bbt bda bdb bdd bde bdf bdg bdi bdr bdt be- bea beb bed bee bef beg bei ber bet bfa bfb bfd bfe bff bfg bfi bfr bft bga bgb bgd bge bgf bgg bgi bgr bgt bi- bia bib bid bie bif big bii bir bit bra brb brd bre brf brg bri brr brt bta btb btd bte btf btg bti btr btt daa dab dad dae daf dag dai dar dat dba dbb dbd dbe dbf dbg dbi dbr dbt dda ddb ddd dde ddf ddg ddi ddr ddt de- dea deb ded dee def deg dei der det dfa dfb dfd dfe dff dfg dfi dfr dft dga dgd dge dgf dgg dgi dgr dgt di- dia dib did die dif dig dii dir dit dra drb drd dre drg dri drr drt dta dtb dtd dte dtf dtg dti dtr dtt eaa eab ead eae eaf eag eai ear eat eba ebb ebd ebe ebf ebg ebi ebr ebt ed- eda edb edd ede edf edg edi edr edt eea eeb eed eee eef eeg eer eet ef- efa efb efd efe eff efg efi efr eft ega egb egd ege egf egg egi egr egt eia eib eid eie eif eig eii eir eit era erb erd ere erf erg eri err ert eta etb etd ete etf etg eti etr ett faa fab fad fae faf fag fai far fat fba fbb fbd fbe fbf fbg fbi fbr fbt fda fdb fdd fde fdf fdg fdi fdr fdt fea feb fed fee fef feg fei fer fet ffa ffd ffe fff ffg ffi ffr fft fga fgb fgd fge fgf fgg fgi fgr fgt fia fib fid fie fif fig fii fir fit fra frb frd fre frf frg fri frr frt fta ftb ftd fte ftf ftg fti ftr ftt g-d gaa gab gad gae gaf gag gai gar gat gba gbd gbe gbf gbg gbi gbr gbt gda gdb gdd gde gdf gdi gdr gdt ge- gea geb ged gee gef geg gei ger get gfa gfb gfd gfe gff gfi gfr gft gga ggb ggd ggg ggi ggr ggt gia gib gid gie gif gig gii gir git gra grb grd gre grf grg gri grr grt gta gtb gtd gte gtf gtg gti gtr gtt i-d i-f ia- iaa iab iad iae iaf iag iai iar iat iba ibb ibd ibe ibf ibg ibi ibr ibt ida idb idd ide idf idg idi idr idt ie- iea ied iee ief ieg iei ier iet ifa ifb ifd ife iff ifg ifi ifr ift iga igb igd ige igf igg igi igr igt iia iib iid iie iif iii iir iit ir- ira irb ird ire irf irg iri irr irt ita itb itd ite itf itg iti itt ra- raa rab rad rae raf rag rai rar rat rba rbb rbd rbe rbf rbg rbi rbr rbt rda rdb rdd rde rdf rdg rdi rdr rdt re- rea reb red ree ref reg rei rer ret rfa rfb rfd rfe rff rfg rfi rfr rft rga rgb rgd rge rgf rgg rgi rgr rgt ria rib rid rie rif rig rii rir rit rra rrb rrd rrf rrg rri rrr rrt rta rtb rtd rte rtf rtg rti rtr rtt taa tab tad tae taf tag tai tar tat tba tbb tbd tbe tbf tbg tbi tbr tbt tda tdb tdd tde tdf tdg tdi tdr tdt te- tea teb ted tee tef teg tei ter tet tfa tfb tfd tfe tff tfg tfi tfr tft tga tgb tge tgf tgg tgi tgr tgt tia tib tid tie tif tig tii tir tit tra trb trd tre trf trg tri trr trt tta ttb ttd tte ttf ttg 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 aage aaib aaii aara aard aare aari aart aata aatf aatt abaa abab abad abae abaf abag abai abar abat abb- abba abbb abbe abbi abbr abbt abda abdi abed abee aber abet abff abgd abia abib abid abie abig abir abit abra abri abta adaa adab adad adae adag adai adar adat adba adbi adda addd adde addi addr adea adeb adee ader adet adfa adia adib adie adif adig adir adit adra adre adta aeaf aebi aede aedt aeer aega aeit aer- aera aerd aeri aeta aetf aetr aett afaa afad afar afat afdb afee afer afet affa affi afft afgf afia afib afid afif afig afir afit afr- afra afre afri afta afte agad agag agai agar agat agba agda agde agea aged agee agei ager aget agfa agga agge aggi agia agib agid agie agig agii agir agit agra agre agri agta agte agtr aiai aiba aida aidb aide aidi aidr aidt aiea aiee aiet aifd aiff aiga aiia aiib aiid aiir aira aird aire airi airt aita aite aitf aiti aitr aitt arab arad arae araf arag arai arar arat arba arbe arbi arda arde ardf ardi area ared aree aref areg arei aret arfa arfb arff arft arga argb arge argi aria arib arid arie arif arig arii arit arr- arra arre arrg arri arrr arrt arta arte arti artr at-t ataa atab atad atae atai atar