a-a a-b a-i a-t aaa aab aai aam aan aao aap aas aat ab- aba abb abi abm abn abo abp abs abt ai- aia aib aii aim ain aio aip ais ait ama amb ami amm amn amo amp ams amt an- ana anb ani anm ann ano anp ans ant aoa aob aoi aom aon aoo aop aos aot ap- apa apb api apm apn apo app aps apt as- asa asb asi asm asn aso asp ass ast at- ata atb ati atm atn ato atp ats att b-p baa bab bai bam ban bao bap bas bat bba bbb bbi bbm bbn bbo bbp bbs bbt bi- bia bib bii bim bin bio bip bis bit bma bmb bmi bmm bmn bmo bmp bms bmt bna bnb bni bnn bno bnp bns bnt boa bob boi bom bon boo bop bos bot bpa bpb bpi bpm bpn bpo bpp bps bpt bsa bsb bsi bsm bsn bso bsp bss bst bta btb bti btm btn bto btp bts btt ia- iaa iab iai iam ian iao iap ias iat iba ibb ibi ibm ibn ibo ibp ibs ibt iia iib iii iim iin iio iip iis iit im- ima imb imi imm imn imo imp ims imt in- ina inb ini inm inn ino inp ins int io- ioa iob ioi iom ion ioo iop ios iot ipa ipb ipi ipm ipn ipo ipp ips ipt is- isa isb isi ism isn iso isp iss ist ita itb iti itm itn ito itp its itt m-o maa mab mai mam man mao map mas mat mba mbb mbi mbm mbo mbp mbs mbt mi- mia mib mii mim min mio mip mis mit mma mmb mmi mmm mmn mmo mmp mms mmt mna mnb mni mnm mnn mno mnp mns mnt moa mob moi mom mon moo mop mos mot mpa mpb mpi mpm mpn mpo mpp mps mpt msa msb msi msm msn mso msp mss mst mta mtb mti mtm mtn mto mtp mts mtt n-i naa nab nai nam nan nao nap nas nat nba nbb nbi nbm nbn nbo nbp nbs nbt nia nib nii nim nin nio nip nis nit nma nmb nmi nmm nmn nmo nmp nms nmt nna nnb nni nnm nnn nno nnp nns nnt no- noa nob noi nom non noo nop nos not npa npb npi npm npn npo npp nps npt nsa nsb nsi nsm nsn nso nsp nss nst nta ntb nti ntm ntn nto ntp nts ntt o-i oaa oab oai oam oan oao oap oas oat ob- oba obb obi obm obn obo obp obs obt oia oib oii oim oin oio oip ois oit om- oma omb omi omm omn omo omp oms omt on- ona onb oni onn ono onp ons ont oo- ooa oob ooi oom oon ooo oop oos oot op- opa opb opi opm opn opo opp ops opt os- osa osb osi osm osn oso osp oss ost ot- ota otb oti otm otn oto otp ots ott p-p paa pab pai pam pan pao pap pas pat pba pbb pbi pbm pbn pbo pbp pbs pbt pia pib pii pim pin pio pip pis pit pma pmb pmi pmm pmn pmo pmp pms pmt pn- pna pnb pni pnm pnn pno pnp pns pnt poa pob poi pom pon poo pop pos pot ppa ppb ppi ppm ppn ppo ppp pps ppt ps- psa psb psi psm psn pso psp pss pst pt- pta ptb pti ptm ptn pto ptp pts ptt saa sab sai sam san sao sap sas sat sba sbb sbi sbm sbn sbo sbp sbs sbt sia sib sii sim sin sio sip sis sit sma smb smi smm smn smo smp sms smt sna snb sni snm snn sno snp sns snt soa sob soi som son soo sop sos sot spa spb spi spm spn spo spp sps spt ss- ssa ssb ssi ssm ssn sso ssp sss sst sta stb sti stm stn sto stp sts stt taa tab tai tam tan tao tap tas tat tba tbb tbi tbm tbn tbo tbp tbs tbt tia tib tii tim tin tio tip tis tit tma tmb tmi tmm tmn tmo tmp tms tmt tna tnb tni tnm tnn tno tnp tns tnt to- toa tob toi tom ton too top tos tot tpa tpb tpi tpm tpn tpo tpp tps tpt tsa tsb tsi tsm tsn tso tsp tss tst tta ttb tti ttm ttn tto ttp tts ttt