a-a a-b a-i a-t aaa aab aad aae aai aan aao aap aas aat ab- aba abb abd abe abi abn abo abp abs abt ad- ada adb add ade adi adn ado adp ads adt aea aeb aed aee aei aen aeo aep aes aet ai- aia aib aid aie aii ain aio aip ais ait an- ana anb and ane ani ann ano anp ans ant aoa aob aod aoe aoi aon aoo aop aos aot ap- apa apb apd ape api apn apo app aps apt as- asa asb asd ase asi asn aso asp ass ast at- ata atb atd ate ati atn ato atp ats att b-p baa bab bad bae bai ban bao bap bas bat bba bbb bbd bbe bbi bbn bbo bbp bbs bbt bda bdb bdd bde bdi bdo bdp bds bdt be- bea beb bed bee bei ben beo bep bes bet bi- bia bib bid bie bii bin bio bip bis bit bna bnb bnd bne bni bnn bno bnp bns bnt boa bob bod boe boi bon boo bop bos bot bpa bpb bpd bpe bpi bpn bpo bpp bps bpt bsa bsb bsd bse bsi bsn bso bsp bss bst bta btb btd bte bti btn bto btp bts btt daa dab dad dae dai dan dao dap das dat dba dbb dbd dbe dbi dbn dbo dbp dbs dbt dda ddb ddd dde ddi ddn ddo ddp dds ddt de- dea deb ded dee dei den deo dep des det di- dia dib did die dii din dio dip dis dit dna dnb dnd dne dni dnn dno dnp dns dnt doa dob dod doe doi don doo dop dos dot dpa dpb dpd dpe dpi dpn dpo dpp dps dpt dsa dsb dsd dse dsi dsn dso dsp dss dst dta dtb dtd dte dti dtn dto dtp dts dtt eaa eab ead eae eai ean eao eap eas eat eba ebb ebd ebe ebi ebn ebo ebp ebs ebt ed- eda edb edd ede edi edn edo edp eds edt eea eeb eed eee een eeo eep ees eet eia eib eid eie eii ein eio eip eis eit en- ena enb end ene eni enn eno enp ens ent eo- eoa eob eod eoe eoi eon eoo eop eos eot ep- epa epb epd epe epi epn epo epp eps ept es- esa esb esd ese esi esn eso esp ess est eta etb etd ete eti etn eto etp ets ett i-d ia- iaa iab iad iae iai ian iao iap ias iat iba ibb ibd ibe ibi ibn ibo ibp ibs ibt ida idb idd ide idi idn ido idp ids idt ie- iea ied iee iei ien iep ies iet iia iib iid iie iii iin iio iip iis iit in- ina inb ind ine ini inn ino inp ins int io- ioa iob iod ioe ioi ion ioo iop ios iot ipa ipb ipd ipe ipi ipn ipo ipp ips ipt is- isa isb isd ise isi isn iso isp iss ist ita itb itd ite iti itn ito itp its itt n-i naa nab nad nae nai nan nao nap nas nat nba nbb nbd nbe nbi nbn nbo nbp nbs nbt nda ndb ndd nde ndi ndn ndo ndp nds ndt ne- nea neb ned nee nei nen neo nep nes net nia nib nid nie nii nin nio nip nis nit nna nnb nne nni nnn nno nnp nns nnt no- noa nob nod noe noi non noo nop nos not npa npb npd npe npi npn npo npp nps npt nsa nsb nsd nse nsi nsn nso nsp nss nst nta ntb ntd nte nti ntn nto ntp nts ntt o-i oaa oab oad oae oai oan oao oap oas oat ob- oba obb obd obe obi obn obo obp obs obt oda odb odd ode odi odn odo odp ods odt oea oeb oed oee oei oen oeo oep oes oet oia oib oid oie oii oin oio oip ois oit on- ona onb ond one oni onn ono onp ons ont oo- ooa oob ood ooi oon ooo oop oos oot op- opa opb opd ope opi opn opo opp ops opt os- osa osb osd ose osi osn oso osp oss ost ot- ota otb otd ote oti otn oto otp ots ott p-p paa pab pad pae pai pan pao pap pas pat pba pbb pbd pbe pbi pbn pbo pbp pbs pbt pda pdb pdd pde pdi pdn pdo pdp pds pdt pea peb ped pee pei pen peo pep pes pet pia pib pid pie pii pin pio pip pis pit pn- pna pnb pnd pne pni pnn pno pnp pns pnt poa pob pod poe poi pon poo pop pos pot ppa ppb ppd ppe ppi ppn ppo ppp pps ppt ps- psa psb psd pse psi psn pso psp pss pst pt- pta ptb ptd pte pti ptn pto ptp pts ptt saa sab sad sae sai san sao sap sas sat sba sbb sbd sbe sbi sbn sbo sbp sbs sbt sda sdb sdd sde sdi sdn sdo sdp sds sdt se- sea seb sed see sei sen seo sep ses set sia sib sid sie sii sin sio sip sis sit sna snb snd sne sni snn sno snp sns snt soa sob sod soe soi son soo sop sos sot spa spb spd spe spi spn spo spp sps spt ss- ssa ssb ssd sse ssi ssn sso ssp sss sst sta stb std ste sti stn sto stp sts stt taa tab tad tae tai tan tao tap tas tat tba tbb tbd tbe tbi tbn tbo tbp tbs tbt tda tdb tdd tde tdi tdn tdo tdp tds tdt te- tea teb ted tee tei ten teo tep tes tet tia tib tid tie tii tin tio tip tis tit tna tnb tnd tne tni tnn tno tnp tns tnt to- toa