a-a a-b a-i a-t aaa aab aad aai aan aao aap aar aas aat ab- aba abb abd abi abn abo abp abr abs abt ad- ada adb add adi adn ado adp adr ads adt ai- aia aib aid aii ain aio aip air ais ait an- ana anb and ani ann ano anp anr ans ant aoa aob aod aoi aon aoo aop aor aos aot ap- apa apb apd api apn apo app apr aps apt ar- ara arb ard ari arn aro arp arr ars art as- asa asb asd asi asn aso asp asr ass ast at- ata atb atd ati atn ato atp atr ats att b-p baa bab bad bai ban bao bap bar bas bat bba bbb bbd bbi bbn bbo bbp bbr bbs bbt bda bdb bdd bdi bdo bdp bdr bds bdt bi- bia bib bid bii bin bio bip bir bis bit bna bnb bnd bni bnn bno bnp bnr bns bnt boa bob bod boi bon boo bop bor bos bot bpa bpb bpd bpi bpn bpo bpp bpr bps bpt bra brb brd bri brn bro brp brr brs brt bsa bsb bsd bsi bsn bso bsp bsr bss bst bta btb btd bti btn bto btp btr bts btt daa dab dad dai dan dao dap dar das dat dba dbb dbd dbi dbn dbo dbp dbr dbs dbt dda ddb ddd ddi ddn ddo ddp ddr dds ddt di- dia dib did dii din dio dip dir dis dit dna dnb dnd dni dnn dno dnp dnr dns dnt doa dob dod doi don doo dop dor dos dot dpa dpb dpd dpi dpn dpo dpp dpr dps dpt dra drb drd dri drn dro drp drr drs drt dsa dsb dsd dsi dsn dso dsp dsr dss dst dta dtb dtd dti dtn dto dtp dtr dts dtt i-d ia- iaa iab iad iai ian iao iap iar ias iat iba ibb ibd ibi ibn ibo ibp ibr ibs ibt ida idb idd idi idn ido idp idr ids idt iia iib iid iii iin iio iip iir iis iit in- ina inb ind ini inn ino inp inr ins int io- ioa iob iod ioi ion ioo iop ior ios iot ipa ipb ipd ipi ipn ipo ipp ipr ips ipt ir- ira irb ird iri irn iro irp irr irs irt is- isa isb isd isi isn iso isp isr iss ist ita itb itd iti itn ito itp its itt n-i naa nab nad nai nan nao nap nar nas nat nba nbb nbd nbi nbn nbo nbp nbr nbs nbt nda ndb ndd ndi ndn ndo ndp ndr nds ndt nia nib nid nii nin nio nip nir nis nit nna nnb nni nnn nno nnp nns nnt no- noa nob nod noi non noo nop nor nos not npa npb npd npi npn npo npp npr nps npt nra nrb nrd nri nrn nro nrp nrr nrs nrt nsa nsb nsd nsi nsn nso nsp nsr nss nst nta ntb ntd nti ntn nto ntp ntr nts ntt o-i oaa oab oad oai oan oao oap oar oas oat ob- oba obb obd obi obn obo obp obr obs obt oda odb odd odi odn odo odp odr ods odt oia oib oid oii oin oio oip oir ois oit on- ona onb ond oni onn ono onp onr ons ont oo- ooa oob ood ooi oon ooo oop oor oos oot op- opa opb opd opi opn opo opp opr ops opt or- ora orb ord ori orn oro orp orr ors ort os- osa osb osd osi osn oso osp osr oss ost ot- ota otb otd oti otn oto otp otr ots ott p-p paa pab pad pai pan pao pap par pas pat pba pbb pbd pbi pbn pbo pbp pbr pbs pbt pda pdb pdd pdi pdn pdo pdp pdr pds pdt pia pib pid pii pin pio pip pir pis pit pn- pna pnb pnd pni pnn pno pnp pnr pns pnt poa pob pod poi pon poo pop por pos pot ppa ppb ppd ppi ppn ppo ppp ppr pps ppt pra prb prd pri prn pro prp prr prs prt ps- psa psb psd psi psn pso psp psr pss pst pt- pta ptb ptd pti ptn pto ptp ptr pts ptt ra- raa rab rad rai ran rao rap rar ras rat rba rbb rbd rbi rbn rbo rbp rbr rbs rbt rda rdb rdd rdi rdn rdo rdp rdr rds rdt ria rib rid rii rin rio rip rir ris rit rna rnb rnd rni rnn rno rnp rnr rns rnt roa rob rod roi ron roo rop ror ros rot rpa rpb rpd rpi rpn rpo rpp rpr rps rpt rra rrb rrd rri rrn rrp rrr rrs rrt rsa rsb rsd rsi rsn rso rsp rsr rss rst rta rtb rtd rti rtn rto rtp rtr rts rtt saa sab sad sai san sao sap sar sas sat sba sbb sbd sbi sbn sbo sbp sbr sbs sbt sda sdb sdd sdi sdn sdo sdp sdr sds sdt sia sib sid sii sin sio sip sir sis sit sna snb snd sni snn sno snp snr sns snt soa sob sod soi son soo sop sor sos sot spa spb spd spi spn spo spp spr sps spt sr- sra srb srd sri srn sro srp srr srs srt ss- ssa ssb ssd ssi ssn sso ssp ssr sss sst sta stb std sti stn sto stp str sts stt taa tab tad tai tan tao tap tar tas tat tba tbb tbd tbi tbn tbo tbp tbr tbs tbt tda tdb tdd tdi tdn tdo tdp tdr tds tdt tia tib tid tii tin tio tip tir tis tit tna tnb tnd tni tnn tno tnp tnr tns tnt to- toa tob tod toi ton too top tor tos tot tpa tpb tpd tpi tpn tpo