a-a a-b a-i a-t aaa aab aae aai aam aao aap aas aat ab- aba abb abe abi abm abo abp abs abt aea aeb aee aei aem aeo aep aes aet ai- aia aib aie aii aim aio aip ais ait ama amb ame ami amm amo amp ams amt aoa aob aoe aoi aom aoo aop aos aot ap- apa apb ape api apm apo app aps apt as- asa asb ase asi asm aso asp ass ast at- ata atb ate ati atm ato atp ats att b-p baa bab bae bai bam bao bap bas bat bba bbb bbe bbi bbm bbo bbp bbs bbt be- bea beb bee bei bem beo bep bes bet bi- bia bib bie bii bim bio bip bis bit bma bmb bme bmi bmm bmo bmp bms bmt boa bob boe boi bom boo bop bos bot bpa bpb bpe bpi bpm bpo bpp bps bpt bsa bsb bse bsi bsm bso bsp bss bst bta btb bte bti btm bto btp bts btt eaa eab eae eai eam eao eap eas eat eba ebb ebe ebi ebm ebo ebp ebs ebt eea eeb eee eem eeo eep ees eet eia eib eie eii eim eio eip eis eit em- ema emb eme emi emm emo emp ems emt eo- eoa eob eoe eoi eom eoo eop eos eot ep- epa epb epe epi epm epo epp eps ept es- esa esb ese esi esm eso esp ess est eta etb ete eti etm eto etp ets ett ia- iaa iab iae iai iam iao iap ias iat iba ibb ibe ibi ibm ibo ibp ibs ibt ie- iea iee iei iem iep ies iet iia iib iie iii iim iio iip iis iit im- ima imb ime imi imm imo imp ims imt io- ioa iob ioe ioi iom ioo iop ios iot ipa ipb ipe ipi ipm ipo ipp ips ipt is- isa isb ise isi ism iso isp iss ist ita itb ite iti itm ito itp its itt m-o maa mab mae mai mam mao map mas mat mba mbb mbe mbi mbm mbo mbp mbs mbt mea meb mee mei mem meo mep mes met mi- mia mib mie mii mim mio mip mis mit mma mmb mme mmi mmm mmo mmp mms mmt moa mob moe moi mom moo mop mos mot mpa mpb mpe mpi mpm mpo mpp mps mpt msa msb mse msi msm mso msp mss mst mta mtb mte mti mtm mto mtp mts mtt o-i oaa oab oae oai oam oao oap oas oat ob- oba obb obe obi obm obo obp obs obt oea oeb oee oei oem oeo oep oes oet oia oib oie oii oim oio oip ois oit om- oma omb ome omi omm omo omp oms omt oo- ooa oob ooi oom ooo oop oos oot op- opa opb ope opi opm opo opp ops opt os- osa osb ose osi osm oso osp oss ost ot- ota otb ote oti otm oto otp ots ott p-p paa pab pae pai pam pao pap pas pat pba pbb pbe pbi pbm pbo pbp pbs pbt pea peb pee pei pem peo pep pes pet pia pib pie pii pim pio pip pis pit pma pmb pme pmi pmm pmo pmp pms pmt poa pob poe poi pom poo pop pos pot ppa ppb ppe ppi ppm ppo ppp pps ppt ps- psa psb pse psi psm pso psp pss pst pt- pta ptb pte pti ptm pto ptp pts ptt saa sab sae sai sam sao sap sas sat sba sbb sbe sbi sbm sbo sbp sbs sbt se- sea seb see sei sem seo sep ses set sia sib sie sii sim sio sip sis sit sma smb sme smi smm smo smp sms smt soa sob soe soi som soo sop sos sot spa spb spe spi spm spo spp sps spt ss- ssa ssb sse ssi ssm sso ssp sss sst sta stb ste sti stm sto stp sts stt taa tab tae tai tam tao tap tas tat tba tbb tbe tbi tbm tbo tbp tbs tbt te- tea teb tee tei tem teo tep tes tet tia tib tie tii tim tio tip tis tit tma tmb tme tmi tmm tmo tmp tms tmt to- toa tob toe toi tom too top tos tot tpa tpb tpe tpi tpm tpo tpp tps tpt tsa tsb tse tsi tsm tso tsp tss tst tta ttb tte tti ttm tto ttp tts ttt