a-a a-i aaa aad aai aan aap aar aas ad- ada add adi adn adp adr ads ai- aia aid aii ain aip air ais an- ana and ani ann anp anr ans ap- apa apd api apn app apr aps ar- ara ard ari arn arp arr ars as- asa asd asi asn asp asr ass daa dad dai dan dap dar das dda ddd ddi ddn ddp ddr dds di- dia did dii din dip dir dis dna dnd dni dnn dnp dnr dns dpa dpd dpi dpn dpp dpr dps dra drd dri drn drp drr drs dsa dsd dsi dsn dsp dsr dss i-d ia- iaa iad iai ian iap iar ias ida idd idi idn idp idr ids iia iid iii iin iip iir iis in- ina ind ini inn inp inr ins ipa ipd ipi ipn ipp ipr ips ir- ira ird iri irn irp irr irs is- isa isd isi isn isp isr iss n-i naa nad nai nan nap nar nas nda ndd ndi ndn ndp ndr nds nia nid nii nin nip nir nis nna nni nnn nnp nns npa npd npi npn npp npr nps nra nrd nri nrn nrp nrr nrs nsa nsd nsi nsn nsp nsr nss p-p paa pad pai pan pap par pas pda pdd pdi pdn pdp pdr pds pia pid pii pin pip pir pis pn- pna pnd pni pnn pnp pnr pns ppa ppd ppi ppn ppp ppr pps pra prd pri prn prp prr prs ps- psa psd psi psn psp psr pss ra- raa rad rai ran rap rar ras rda rdd rdi rdn rdp rdr rds ria rid rii rin rip rir ris rna rnd rni rnn rnp rnr rns rpa rpd rpi rpn rpp rpr rps rra rrd rri rrn rrp rrr rrs rsa rsd rsi rsn rsp rsr rss saa sad sai san sap sar sas sda sdd sdi sdn sdp sdr sds sia sid sii sin sip sir sis sna snd sni snn snp snr sns spa spd spi spn spp spr sps sr- sra srd sri srn srp srr srs ss- ssa ssd ssi ssn ssp ssr sss