a-a a-b a-i a-t aaa aab aai aam aan aao aap aar aas aat ab- aba abb abi abm abn abo abp abr abs abt ai- aia aib aii aim ain aio aip air ais ait ama amb ami amm amn amo amp amr ams amt an- ana anb ani anm ann ano anp anr ans ant aoa aob aoi aom aon aoo aop aor aos aot ap- apa apb api apm apn apo app apr aps apt ar- ara arb ari arm arn aro arp arr ars art as- asa asb asi asm asn aso asp asr ass ast at- ata atb ati atm atn ato atp atr ats att b-p baa bab bai bam ban bao bap bar bas bat bba bbb bbi bbm bbn bbo bbp bbr bbs bbt bi- bia bib bii bim bin bio bip bir bis bit bma bmb bmi bmm bmn bmo bmp bmr bms bmt bna bnb bni bnn bno bnp bnr bns bnt boa bob boi bom bon boo bop bor bos bot bpa bpb bpi bpm bpn bpo bpp bpr bps bpt bra brb bri brm brn bro brp brr brs brt bsa bsb bsi bsm bsn bso bsp bsr bss bst bta btb bti btm btn bto btp btr bts btt ia- iaa iab iai iam ian iao iap iar ias iat iba ibb ibi ibm ibn ibo ibp ibr ibs ibt iia iib iii iim iin iio iip iir iis iit im- ima imb imi imm imn imo imp ims imt in- ina inb ini inm inn ino inp inr ins int io- ioa iob ioi iom ion ioo iop ior ios iot ipa ipb ipi ipm ipn ipo ipp ipr ips ipt ir- ira irb iri irm irn iro irp irr irs irt is- isa isb isi ism isn iso isp isr iss ist ita itb iti itm itn ito itp its itt m-o m-r maa mab mai mam man mao map mar mas mat mba mbb mbi mbm mbo mbp mbr mbs mbt mi- mia mib mii mim min mio mip mir mis mit mma mmb mmi mmm mmn mmo mmp mmr mms mmt mna mnb mni mnm mnn mno mnp mnr mns mnt moa mob moi mom mon moo mop mor mos mot mpa mpb mpi mpm mpn mpo mpp mpr mps mpt mra mrb mri mrm mrn mro mrp mrr mrs mrt msa msb msi msm msn mso msp msr mss mst mta mtb mti mtm mtn mto mtp mtr mts mtt n-i naa nab nai nam nan nao nap nar nas nat nba nbb nbi nbm nbn nbo nbp nbr nbs nbt nia nib nii nim nin nio nip nir nis nit nma nmb nmi nmm nmn nmo nmp nmr nms nmt nna nnb nni nnm nnn nno nnp nns nnt no- noa nob noi nom non noo nop nor nos not npa npb npi npm npn npo npp npr nps npt nra nrb nri nrm nrn nro nrp nrr nrs nrt nsa nsb nsi nsm nsn nso nsp nsr nss nst nta ntb nti ntm ntn nto ntp ntr nts ntt o-i oaa oab oai oam oan oao oap oar oas oat ob- oba obb obi obm obn obo obp obr obs obt oia oib oii oim oin oio oip oir ois oit om- oma omb omi omm omn omo omp omr oms omt on- ona onb oni onn ono onp onr ons ont oo- ooa oob ooi oom oon ooo oop oor oos oot op- opa opb opi opm opn opo opp opr ops opt or- ora orb ori orm orn oro orp orr ors ort os- osa osb osi osm osn oso osp osr oss ost ot- ota otb oti otm otn oto otp otr ots ott p-p paa pab pai pam pan pao pap par pas pat pba pbb pbi pbm pbn pbo pbp pbr pbs pbt pia pib pii pim pin pio pip pir pis pit pma pmb pmi pmm pmn pmo pmp pmr pms pmt pn- pna pnb pni pnm pnn pno pnp pnr pns pnt poa pob poi pom pon poo pop por pos pot ppa ppb ppi ppm ppn ppo ppp ppr pps ppt pra prb pri prm prn pro prp prr prs prt ps- psa psb psi psm psn pso psp psr pss pst pt- pta ptb pti ptm ptn pto ptp ptr pts ptt ra- raa rab rai ram ran rao rap rar ras rat rba rbb rbi rbm rbn rbo rbp rbr rbs rbt ria rib rii rim rin rio rip rir ris rit rma rmb rmi rmm rmn rmo rmp rmr rms rmt rna rnb rni rnm rnn rno rnp rnr rns rnt roa rob roi rom ron roo rop ror ros rot rpa rpb rpi rpm rpn rpo rpp rpr rps rpt rra rrb rri rrm rrn rrp rrr rrs rrt rsa rsb rsi rsm rsn rso rsp rsr rss rst rta rtb rti rtm rtn rto rtp rtr rts rtt saa sab sai sam san sao sap sar sas sat sba sbb sbi sbm sbn sbo sbp sbr sbs sbt sia sib sii sim sin sio sip sir sis sit sma smb smi smm smn smo smp smr sms smt sna snb sni snm snn sno snp snr sns snt soa sob soi som son soo sop sor sos sot spa spb spi spm spn spo spp spr sps spt sr- sra srb sri srm srn sro srp srr srs srt ss- ssa ssb ssi ssm ssn sso ssp ssr sss sst sta stb sti stm stn sto stp str sts stt taa tab tai tam tan tao tap tar tas tat tba tbb tbi tbm tbn tbo tbp tbr tbs tbt tia tib tii tim tin tio tip tir tis tit tma tmb tmi tmm tmn tmo tmp tmr tms tmt tna tnb tni tnm tnn tno tnp tnr tns tnt to- toa tob toi tom ton too top tor tos tot tpa tpb tpi tpm tpn tpo