-er a-a a-b a-i a-t aaa aab aae aaf aai aam aao aap aar aas aat ab- aba abb abe abf abi abm abo abp abr abs abt aea aeb aee aef aei aem aeo aep aer aes aet af- afa afb afe aff afi afm afo afp afr afs aft ai- aia aib aie aif aii aim aio aip air ais ait ama amb ame amf ami amm amo amp amr ams amt aoa aob aoe aof aoi aom aoo aop aor aos aot ap- apa apb ape apf api apm apo app apr aps apt ar- ara arb are arf ari arm aro arp arr ars art as- asa asb ase asf asi asm aso asp asr ass ast at- ata atb ate atf ati atm ato atp atr ats att b-p baa bab bae baf bai bam bao bap bar bas bat bba bbb bbe bbf bbi bbm bbo bbp bbr bbs bbt be- bea beb bee bef bei bem beo bep ber bes bet bfa bfb bfe bff bfi bfm bfo bfp bfr bfs bft bi- bia bib bie bif bii bim bio bip bir bis bit bma bmb bme bmf bmi bmm bmo bmp bmr bms bmt boa bob boe bof boi bom boo bop bor bos bot bpa bpb bpe bpf bpi bpm bpo bpp bpr bps bpt bra brb bre brf bri brm bro brp brr brs brt bsa bsb bse bsf bsi bsm bso bsp bsr bss bst bta btb bte btf bti btm bto btp btr bts btt eaa eab eae eaf eai eam eao eap ear eas eat eba ebb ebe ebf ebi ebm ebo ebp ebr ebs ebt eea eeb eee eef eem eeo eep eer ees eet ef- efa efb efe eff efi efm efo efp efr efs eft eia eib eie eif eii eim eio eip eir eis eit em- ema emb eme emf emi emm emo emp emr ems emt eo- eoa eob eoe eof eoi eom eoo eop eor eos eot ep- epa epb epe epf epi epm epo epp epr eps ept era erb ere erf eri erm ero erp err ers ert es- esa esb ese esf esi esm eso esp esr ess est eta etb ete etf eti etm eto etp etr ets ett faa fab fae faf fai fam fao fap far fas fat fba fbb fbe fbf fbi fbm fbo fbp fbr fbs fbt fea feb fee fef fei fem feo fep fer fes fet ffa ffe fff ffi ffm ffo ffp ffr ffs fft fia fib fie fif fii fim fip fir fis fit fma fmb fme fmf fmi fmm fmo fmp fmr fms fmt foa fob foe fof foi fom foo fop for fos fot fpa fpb fpe fpi fpm fpo fpp fpr fps fpt fra frb fre frf fri frm fro frp frr frs frt fsa fsb fse fsf fsi fsm fso fsp fsr fss fst fta ftb fte ftf fti ftm fto ftp ftr fts ftt i-f ia- iaa iab iae iaf iai iam iao iap iar ias iat iba ibb ibe ibf ibi ibm ibo ibp ibr ibs ibt ie- iea iee ief iei iem iep ier ies iet ifa ifb ife iff ifi ifm ifo ifp ifr ifs ift iia iib iie iif iii iim iio iip iir iis iit im- ima imb ime imf imi imm imo imp ims imt io- ioa iob ioe iof ioi iom ioo iop ior ios iot ipa ipb ipe ipf ipi ipm ipo ipp ipr ips ipt ir- ira irb ire irf iri irm iro irp irr irs irt is- isa isb ise isf isi ism iso isp isr iss ist ita itb ite itf iti itm ito itp its itt m-f m-o m-r maa mab mae maf mai mam mao map mar mas mat mba mbb mbe mbf mbi mbm mbo mbp mbr mbs mbt mea meb mee mef mei mem meo mep mer mes met mfa mfb mfe mff mfi mfm mfo mfp mfr mfs mft mi- mia mib mie mif mii mim mio mip mir mis mit mma mmb mme mmf mmi mmm mmo mmp mmr mms mmt moa mob moe mof moi mom moo mop mor mos mot mpa mpb mpe mpf mpi mpm mpo mpp mpr mps mpt mra mrb mre mrf mri mrm mro mrp mrr mrs mrt msa msb mse msf msi msm mso msp msr mss mst mta mtb mte mtf mti mtm mto mtp mtr mts mtt o-i oaa oab oae oaf oai oam oao oap oar oas oat ob- oba obb obe obf obi obm obo obp obr obs obt oea oeb oee oef oei oem oeo oep oer oes oet of- ofa ofb ofe off ofi ofm ofo ofp ofr ofs oft oia oib oie oif oii oim oio oip oir ois oit om- oma omb ome omf omi omm omo omp omr oms omt oo- ooa oob oof ooi oom ooo oop oor oos oot op- opa opb ope opf opi opm opo opp opr ops opt or- ora orb ore orf ori orm oro orp orr ors ort os- osa osb ose osf osi osm oso osp osr oss ost ot- ota otb ote otf oti otm oto otp otr ots ott p-p paa pab pae paf pai pam pao pap par pas pat pba pbb pbe pbf pbi pbm pbo pbp pbr pbs pbt pea peb pee pef pei pem peo pep per pes pet pfa pfb pfe pff pfi pfm pfo pfp pfr pfs pft pia pib pie pif pii pim pio pip pir pis pit pma pmb pme pmf pmi pmm pmo pmp pmr pms pmt poa pob poe pof poi pom poo pop por pos pot ppa ppb ppe ppf ppi ppm ppo ppp ppr pps ppt pra prb pre prf pri prm pro prp prr prs prt ps- psa psb pse psf psi psm pso psp psr pss pst pt- pta ptb pte ptf pti ptm pto ptp ptr