-er a-a a-b a-i a-t aaa aab aad aae aaf aai aam aao aar aas aat ab- aba abb abd abe abf abi abm abo abr abs abt ad- ada adb add ade adf adi adm ado adr ads adt aea aeb aed aee aef aei aem aeo aer aes aet af- afa afb afd afe aff afi afm afo afr afs aft ai- aia aib aid aie aif aii aim aio air ais ait ama amb amd ame amf ami amm amo amr ams amt aoa aob aod aoe aof aoi aom aoo aor aos aot ar- ara arb ard are arf ari arm aro arr ars art as- asa asb asd ase asf asi asm aso asr ass ast at- ata atb atd ate atf ati atm ato atr ats att baa bab bad bae baf bai bam bao bar bas bat bba bbb bbd bbe bbf bbi bbm bbo bbr bbs bbt bda bdb bdd bde bdf bdi bdm bdo bdr bds bdt be- bea beb bed bee bef bei bem beo ber bes bet bfa bfb bfd bfe bff bfi bfm bfo bfr bfs bft bi- bia bib bid bie bif bii bim bio bir bis bit bma bmb bmd bme bmf bmi bmm bmo bmr bms bmt boa bob bod boe bof boi bom boo bor bos bot bra brb brd bre brf bri brm bro brr brs brt bsa bsb bsd bse bsf bsi bsm bso bsr bss bst bta btb btd bte btf bti btm bto btr bts btt daa dab dad dae daf dai dam dao dar das dat dba dbb dbd dbe dbf dbi dbm dbo dbr dbs dbt dda ddb ddd dde ddf ddi ddm ddo ddr dds ddt de- dea deb ded dee def dei dem deo der des det dfa dfb dfd dfe dff dfi dfm dfo dfr dfs dft di- dia dib did die dif dii dim dio dir dis dit dma dmb dmd dme dmf dmi dmm dmo dmr dms dmt doa dob dod doe dof doi dom doo dor dos dot dra drb drd dre dri drm dro drr drs drt dsa dsb dsd dse dsf dsi dsm dso dsr dss dst dta dtb dtd dte dtf dti dtm dto dtr dts dtt eaa eab ead eae eaf eai eam eao ear eas eat eba ebb ebd ebe ebf ebi ebm ebo ebr ebs ebt ed- eda edb edd ede edf edi edm edo edr eds edt eea eeb eed eee eef eem eeo eer ees eet ef- efa efb efd efe eff efi efm efo efr efs eft eia eib eid eie eif eii eim eio eir eis eit em- ema emb emd eme emf emi emm emo emr ems emt eo- eoa eob eod eoe eof eoi eom eoo eor eos eot era erb erd ere erf eri erm ero err ers ert es- esa esb esd ese esf esi esm eso esr ess est eta etb etd ete etf eti etm eto etr ets ett faa fab fad fae faf fai fam fao far fas fat fba fbb fbd fbe fbf fbi fbm fbo fbr fbs fbt fda fdb fdd fde fdf fdi fdm fdo fdr fds fdt fea feb fed fee fef fei fem feo fer fes fet ffa ffd ffe fff ffi ffm ffo ffr ffs fft fia fib fid fie fif fii fim fir fis fit fma fmb fmd fme fmf fmi fmm fmo fmr fms fmt foa fob foe fof foi fom foo for fos fot fra frb frd fre frf fri frm fro frr frs frt fsa fsb fsd fse fsf fsi fsm fso fsr fss fst fta ftb ftd fte ftf fti ftm fto ftr fts ftt i-d i-f ia- iaa iab iad iae iaf iai iam iao iar ias iat iba ibb ibd ibe ibf ibi ibm ibo ibr ibs ibt ida idb idd ide idf idi idm ido idr ids idt ie- iea ied iee ief iei iem ier ies iet ifa ifb ifd ife iff ifi ifm ifo ifr ifs ift iia iib iid iie iif iii iim iio iir iis iit im- ima imb imd ime imf imi imm imo ims imt io- ioa iob iod ioe iof ioi iom ioo ior ios iot ir- ira irb ird ire irf iri irm iro irr irs irt is- isa isb isd ise isf isi ism iso isr iss ist ita itb itd ite itf iti itm ito its itt m-f m-o m-r maa mab mad mae maf mai mam mao mar mas mat mba mbb mbd mbe mbf mbi mbm mbo mbr mbs mbt mda mdb mdd mde mdf mdi mdm mdo mdr mds mdt mea meb med mee mef mei mem meo mer mes met mfa mfb mfd mfe mff mfi mfm mfo mfr mfs mft mi- mia mib mid mie mif mii mim mio mir mis mit mma mmb mmd mme mmf mmi mmm mmo mmr mms mmt moa mob mod moe mof moi mom moo mor mos mot mra mrb mrd mre mrf mri mrm mro mrr mrs mrt msa msb msd mse msf msi msm mso msr mss mst mta mtb mtd mte mtf mti mtm mto mtr mts mtt o-i oaa oab oad oae oaf oai oam oao oar oas oat ob- oba obb obd obe obf obi obm obo obr obs obt oda odb odd ode odf odi odm odo odr ods odt oea oeb oed oee oef oei oem oeo oer oes oet of- ofa ofb ofd ofe off ofi ofm ofo ofr ofs oft oia oib oid oie oif oii oim oio oir ois oit om- oma omb omd ome omf omi omm omo omr oms omt oo- ooa oob ood oof ooi oom ooo oor oos oot or- ora orb ord ore orf ori orm oro orr ors ort os- osa osb osd ose osf osi osm oso osr oss ost ot- ota otb otd ote otf oti otm oto otr ots ott ra-