a-a a-b a-i a-t aaa aab aai aam aao aap aat ab- aba abb abi abm abo abp abt ai- aia aib aii aim aio aip ait ama amb ami amm amo amp amt aoa aob aoi aom aoo aop aot ap- apa apb api apm apo app apt at- ata atb ati atm ato atp att b-p baa bab bai bam bao bap bat bba bbb bbi bbm bbo bbp bbt bi- bia bib bii bim bio bip bit bma bmb bmi bmm bmo bmp bmt boa bob boi bom boo bop bot bpa bpb bpi bpm bpo bpp bpt bta btb bti btm bto btp btt ia- iaa iab iai iam iao iap iat iba ibb ibi ibm ibo ibp ibt iia iib iii iim iio iip iit im- ima imb imi imm imo imp imt io- ioa iob ioi iom ioo iop iot ipa ipb ipi ipm ipo ipp ipt ita itb iti itm ito itp itt m-o maa mab mai mam mao map mat mba mbb mbi mbm mbo mbp mbt mi- mia mib mii mim mio mip mit mma mmb mmi mmm mmo mmp mmt moa mob moi mom moo mop mot mpa mpb mpi mpm mpo mpp mpt mta mtb mti mtm mto mtp mtt o-i oaa oab oai oam oao oap oat ob- oba obb obi obm obo obp obt oia oib oii oim oio oip oit om- oma omb omi omm omo omp omt oo- ooa oob ooi oom ooo oop oot op- opa opb opi opm opo opp opt ot- ota otb oti otm oto otp ott p-p paa pab pai pam pao pap pat pba pbb pbi pbm pbo pbp pbt pia pib pii pim pio pip pit pma pmb pmi pmm pmo pmp pmt poa pob poi pom poo pop pot ppa ppb ppi ppm ppo ppp ppt pt- pta ptb pti ptm pto ptp ptt taa tab tai tam tao tap tat tba tbb tbi tbm tbo tbp tbt tia tib tii tim tio tip tit tma tmb tmi tmm tmo tmp tmt to- toa tob toi tom too top tot tpa tpb tpi tpm tpo tpp tpt tta ttb tti ttm tto ttp ttt