a-a a-b a-i a-t aaa aab aad aae aai aam aao aap aas aat ab- aba abb abd abe abi abm abo abp abs abt ad- ada adb add ade adi adm ado adp ads adt aea aeb aed aee aei aem aeo aep aes aet ai- aia aib aid aie aii aim aio aip ais ait ama amb amd ame ami amm amo amp ams amt aoa aob aod aoe aoi aom aoo aop aos aot ap- apa apb apd ape api apm apo app aps apt as- asa asb asd ase asi asm aso asp ass ast at- ata atb atd ate ati atm ato atp ats att b-p baa bab bad bae bai bam bao bap bas bat bba bbb bbd bbe bbi bbm bbo bbp bbs bbt bda bdb bdd bde bdi bdm bdo bdp bds bdt be- bea beb bed bee bei bem beo bep bes bet bi- bia bib bid bie bii bim bio bip bis bit bma bmb bmd bme bmi bmm bmo bmp bms bmt boa bob bod boe boi bom boo bop bos bot bpa bpb bpd bpe bpi bpm bpo bpp bps bpt bsa bsb bsd bse bsi bsm bso bsp bss bst bta btb btd bte bti btm bto btp bts btt daa dab dad dae dai dam dao dap das dat dba dbb dbd dbe dbi dbm dbo dbp dbs dbt dda ddb ddd dde ddi ddm ddo ddp dds ddt de- dea deb ded dee dei dem deo dep des det di- dia dib did die dii dim dio dip dis dit dma dmb dmd dme dmi dmm dmo dmp dms dmt doa dob dod doe doi dom doo dop dos dot dpa dpb dpd dpe dpi dpm dpo dpp dps dpt dsa dsb dsd dse dsi dsm dso dsp dss dst dta dtb dtd dte dti dtm dto dtp dts dtt eaa eab ead eae eai eam eao eap eas eat eba ebb ebd ebe ebi ebm ebo ebp ebs ebt ed- eda edb edd ede edi edm edo edp eds edt eea eeb eed eee eem eeo eep ees eet eia eib eid eie eii eim eio eip eis eit em- ema emb emd eme emi emm emo emp ems emt eo- eoa eob eod eoe eoi eom eoo eop eos eot ep- epa epb epd epe epi epm epo epp eps ept es- esa esb esd ese esi esm eso esp ess est eta etb etd ete eti etm eto etp ets ett i-d ia- iaa iab iad iae iai iam iao iap ias iat iba ibb ibd ibe ibi ibm ibo ibp ibs ibt ida idb idd ide idi idm ido idp ids idt ie- iea ied iee iei iem iep ies iet iia iib iid iie iii iim iio iip iis iit im- ima imb imd ime imi imm imo imp ims imt io- ioa iob iod ioe ioi iom ioo iop ios iot ipa ipb ipd ipe ipi ipm ipo ipp ips ipt is- isa isb isd ise isi ism iso isp iss ist ita itb itd ite iti itm ito itp its itt m-o maa mab mad mae mai mam mao map mas mat mba mbb mbd mbe mbi mbm mbo mbp mbs mbt mda mdb mdd mde mdi mdm mdo mdp mds mdt mea meb med mee mei mem meo mep mes met mi- mia mib mid mie mii mim mio mip mis mit mma mmb mmd mme mmi mmm mmo mmp mms mmt moa mob mod moe moi mom moo mop mos mot mpa mpb mpd mpe mpi mpm mpo mpp mps mpt msa msb msd mse msi msm mso msp mss mst mta mtb mtd mte mti mtm mto mtp mts mtt o-i oaa oab oad oae oai oam oao oap oas oat ob- oba obb obd obe obi obm obo obp obs obt oda odb odd ode odi odm odo odp ods odt oea oeb oed oee oei oem oeo oep oes oet oia oib oid oie oii oim oio oip ois oit om- oma omb omd ome omi omm omo omp oms omt oo- ooa oob ood ooi oom ooo oop oos oot op- opa opb opd ope opi opm opo opp ops opt os- osa osb osd ose osi osm oso osp oss ost ot- ota otb otd ote oti otm oto otp ots ott p-p paa pab pad pae pai pam pao pap pas pat pba pbb pbd pbe pbi pbm pbo pbp pbs pbt pda pdb pdd pde pdi pdm pdo pdp pds pdt pea peb ped pee pei pem peo pep pes pet pia pib pid pie pii pim pio pip pis pit pma pmb pmd pme pmi pmm pmo pmp pms pmt poa pob pod poe poi pom poo pop pos pot ppa ppb ppd ppe ppi ppm ppo ppp pps ppt ps- psa psb psd pse psi psm pso psp pss pst pt- pta ptb ptd pte pti ptm pto ptp pts ptt saa sab sad sae sai sam sao sap sas sat sba sbb sbd sbe sbi sbm sbo sbp sbs sbt sda sdb sdd sde sdi sdm sdo sdp sds sdt se- sea seb sed see sei sem seo sep ses set sia sib sid sie sii sim sio sip sis sit sma smb smd sme smi smm smo smp sms smt soa sob sod soe soi som soo sop sos sot spa spb spd spe spi spm spo spp sps spt ss- ssa ssb ssd sse ssi ssm sso ssp sss sst sta stb std ste sti stm sto stp sts stt taa tab tad tae tai tam tao tap tas tat tba tbb tbd tbe tbi tbm tbo tbp tbs tbt tda tdb tdd tde tdi tdm tdo tdp tds tdt te- tea teb ted tee tei tem teo tep tes tet tia tib tid tie tii tim tio tip tis tit tma tmb tmd tme tmi tmm tmo tmp tms tmt to- toa tob