a-a a-i aaa aad aai aan aao aap aas ad- ada add adi adn ado adp ads ai- aia aid aii ain aio aip ais an- ana and ani ann ano anp ans aoa aod aoi aon aoo aop aos ap- apa apd api apn apo app aps as- asa asd asi asn aso asp ass daa dad dai dan dao dap das dda ddd ddi ddn ddo ddp dds di- dia did dii din dio dip dis dna dnd dni dnn dno dnp dns doa dod doi don doo dop dos dpa dpd dpi dpn dpo dpp dps dsa dsd dsi dsn dso dsp dss i-d ia- iaa iad iai ian iao iap ias ida idd idi idn ido idp ids iia iid iii iin iio iip iis in- ina ind ini inn ino inp ins io- ioa iod ioi ion ioo iop ios ipa ipd ipi ipn ipo ipp ips is- isa isd isi isn iso isp iss n-i naa nad nai nan nao nap nas nda ndd ndi ndn ndo ndp nds nia nid nii nin nio nip nis nna nni nnn nno nnp nns no- noa nod noi non noo nop nos npa npd npi npn npo npp nps nsa nsd nsi nsn nso nsp nss o-i oaa oad oai oan oao oap oas oda odd odi odn odo odp ods oia oid oii oin oio oip ois on- ona ond oni onn ono onp ons oo- ooa ood ooi oon ooo oop oos op- opa opd opi opn opo opp ops os- osa osd osi osn oso osp oss p-p paa pad pai pan pao pap pas pda pdd pdi pdn pdo pdp pds pia pid pii pin pio pip pis pn- pna pnd pni pnn pno pnp pns poa pod poi pon poo pop pos ppa ppd ppi ppn ppo ppp pps ps- psa psd psi psn pso psp pss saa sad sai san sao sap sas sda sdd sdi sdn sdo sdp sds sia sid sii sin sio sip sis sna snd sni snn sno snp sns soa sod soi son soo sop sos spa spd spi spn spo spp sps ss- ssa ssd ssi ssn sso ssp sss