-ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aan aap aas aat ab- aba abb abc abd abe abi abn abp abs abt ac- aca acb acc acd ace aci acn acp acs act ad- ada adb adc add ade adi adn adp ads adt aea aeb aec aed aee aei aen aep aes aet ai- aia aib aic aid aie aii ain aip ais ait an- ana anb anc and ane ani ann anp ans ant ap- apa apb apc apd ape api apn app aps apt as- asa asb asc asd ase asi asn asp ass ast at- ata atb atc atd ate ati atn atp ats att b-p baa bab bac bad bae bai ban bap bas bat bba bbb bbc bbd bbe bbi bbn bbp bbs bbt bca bcb bcc bcd bce bci bcn bcp bcs bct bda bdb bdc bdd bde bdi bdp bds bdt be- bea beb bec bed bee bei ben bep bes bet bi- bia bib bic bid bie bii bin bip bis bit bna bnb bnc bnd bne bni bnn bnp bns bnt bpa bpb bpc bpd bpe bpi bpn bpp bps bpt bsa bsb bsc bsd bse bsi bsn bsp bss bst bta btb btc btd bte bti btn btp bts btt c-- caa cab cac cad cae cai can cap cas cat cba cbb cbc cbd cbe cbi cbn cbp cbs cbt cca ccb ccc ccd cce cci ccn ccp ccs cct cda cdb cdc cdd cde cdi cdn cdp cds cdt ce- cea ceb cec ced cee cei cen cep ces cet ci- cia cib cic cid cie cii cin cip cis cit cn- cna cnb cnc cnd cne cni cnn cnp cns cnt cpa cpb cpc cpd cpe cpi cpn cpp cps cpt csa csb csc csd cse csi csn csp css cst cta ctb ctc ctd cte cti ctn ctp cts ctt daa dab dac dad dae dai dan dap das dat dba dbb dbc dbd dbe dbi dbn dbp dbs dbt dca dcb dcc dcd dce dci dcn dcp dcs dct dda ddb ddc ddd dde ddi ddn ddp dds ddt de- dea deb dec ded dee dei den dep des det di- dia dib dic did die dii din dip dis dit dna dnb dnc dnd dne dni dnn dnp dns dnt dpa dpb dpc dpd dpe dpi dpn dpp dps dpt dsa dsb dsc dsd dse dsi dsn dsp dss dst dta dtb dtc dtd dte dti dtn dtp dts dtt eaa eab eac ead eae eai ean eap eas eat eba ebb ebc ebd ebe ebi ebn ebp ebs ebt ec- eca ecb ecc ecd ece eci ecn ecs ect ed- eda edb edc edd ede edi edn edp eds edt eea eeb eec eed eee een eep ees eet eia eib eic eid eie eii ein eip eis eit en- ena enb enc end ene eni enn enp ens ent ep- epa epb epc epd epe epi epn epp eps ept es- esa esb esc esd ese esi esn esp ess est eta etb etc etd ete eti etn etp ets ett i-d ia- iaa iab iac iad iae iai ian iap ias iat iba ibb ibc ibd ibe ibi ibn ibp ibs ibt ica icb icc icd ice ici icn icp ics ict ida idb idc idd ide idi idn idp ids idt ie- iea iec ied iee iei ien iep ies iet iia iib iic iid iie iii iin iip iis iit in- ina inb inc ind ine ini inn inp ins int ipa ipb ipc ipd ipe ipi ipn ipp ips ipt is- isa isb isc isd ise isi isn isp iss ist ita itb itc itd ite iti itn itp its itt n-i naa nab nac nad nae nai nan nap nas nat nba nbb nbc nbd nbe nbi nbn nbp nbs nbt nca ncb ncc ncd nce nci ncn ncp ncs nct nda ndb ndc ndd nde ndi ndn ndp nds ndt ne- nea neb nec ned nee nei nen nep nes net nia nib nic nid nie nii nin nip nis nit nna nnb nnc nne nni nnn nnp nns nnt npa npb npc npd npe npi npn npp nps npt nsa nsb nsc nsd nse nsi nsn nsp nss nst nta ntb ntc ntd nte nti ntn ntp nts ntt p-p paa pab pac pad pae pai pan pap pas pat pba pbb pbc pbd pbe pbi pbn pbp pbs pbt pca pcb pcc pcd pce pci pcn pcp pcs pct pda pdb pdc pdd pde pdi pdn pdp pds pdt pea peb pec ped pee pei pen pep pes pet pia pib pic pid pie pii pin pip pis pit pn- pna pnb pnc pnd pne pni pnn pnp pns pnt ppa ppb ppc ppd ppe ppi ppn ppp pps ppt ps- psa psb psc psd pse psi psn psp pss pst pt- pta ptb ptc ptd pte pti ptn ptp pts ptt saa sab sac sad sae sai san sap sas sat sba sbb sbc sbd sbe sbi sbn sbp sbs sbt sca scb scc scd sce sci scn scp scs sct sda sdb sdc sdd sde sdi sdn sdp sds sdt se- sea seb sec sed see sei sen sep ses set sia sib sic sid sie sii sin sip sis sit sna snb snc snd sne sni snn snp sns snt spa spb spc spd spe spi spn spp sps spt ss- ssa ssb ssc ssd sse ssi ssn ssp sss sst sta stb stc std ste sti stn stp sts stt taa tab tac tad tae tai tan tap tas tat tba tbb tbc tbd tbe tbi tbn tbp tbs tbt tca tcb tcc tcd tce tci tcn tcp tcs tct tda tdb tdc tdd tde tdi tdn tdp tds tdt te- tea teb tec ted tee tei ten tep tes tet tia tib tic tid tie tii tin tip tis tit tna tnb tnc