a-a a-i aaa aad aai aan aao aap aar aas ad- ada add adi adn ado adp adr ads ai- aia aid aii ain aio aip air ais an- ana and ani ann ano anp anr ans aoa aod aoi aon aoo aop aor aos ap- apa apd api apn apo app apr aps ar- ara ard ari arn aro arp arr ars as- asa asd asi asn aso asp asr ass daa dad dai dan dao dap dar das dda ddd ddi ddn ddo ddp ddr dds di- dia did dii din dio dip dir dis dna dnd dni dnn dno dnp dnr dns doa dod doi don doo dop dor dos dpa dpd dpi dpn dpo dpp dpr dps dra drd dri drn dro drp drr drs dsa dsd dsi dsn dso dsp dsr dss i-d ia- iaa iad iai ian iao iap iar ias ida idd idi idn ido idp idr ids iia iid iii iin iio iip iir iis in- ina ind ini inn ino inp inr ins io- ioa iod ioi ion ioo iop ior ios ipa ipd ipi ipn ipo ipp ipr ips ir- ira ird iri irn iro irp irr irs is- isa isd isi isn iso isp isr iss n-i naa nad nai nan nao nap nar nas nda ndd ndi ndn ndo ndp ndr nds nia nid nii nin nio nip nir nis nna nni nnn nno nnp nns no- noa nod noi non noo nop nor nos npa npd npi npn npo npp npr nps nra nrd nri nrn nro nrp nrr nrs nsa nsd nsi nsn nso nsp nsr nss o-i oaa oad oai oan oao oap oar oas oda odd odi odn odo odp odr ods oia oid oii oin oio oip oir ois on- ona ond oni onn ono onp onr ons oo- ooa ood ooi oon ooo oop oor oos op- opa opd opi opn opo opp opr ops or- ora ord ori orn oro orp orr ors os- osa osd osi osn oso osp osr oss p-p paa pad pai pan pao pap par pas pda pdd pdi pdn pdo pdp pdr pds pia pid pii pin pio pip pir pis pn- pna pnd pni pnn pno pnp pnr pns poa pod poi pon poo pop por pos ppa ppd ppi ppn ppo ppp ppr pps pra prd pri prn pro prp prr prs ps- psa psd psi psn pso psp psr pss ra- raa rad rai ran rao rap rar ras rda rdd rdi rdn rdo rdp rdr rds ria rid rii rin rio rip rir ris rna rnd rni rnn rno rnp rnr rns roa rod roi ron roo rop ror ros rpa rpd rpi rpn rpo rpp rpr rps rra rrd rri rrn rrp rrr rrs rsa rsd rsi rsn rso rsp rsr rss saa sad sai san sao sap sar sas sda sdd sdi sdn sdo sdp sdr sds sia sid sii sin sio sip sir sis sna snd sni snn sno snp snr sns soa sod soi son soo sop sor sos spa spd spi spn spo spp spr sps sr- sra srd sri srn sro srp srr srs ss- ssa ssd ssi ssn sso ssp ssr sss