a-a a-i aaa aad aai aao aap aar aas ad- ada add adi ado adp adr ads ai- aia aid aii aio aip air ais aoa aod aoi aoo aop aor aos ap- apa apd api apo app apr aps ar- ara ard ari aro arp arr ars as- asa asd asi aso asp asr ass daa dad dai dao dap dar das dda ddd ddi ddo ddp ddr dds di- dia did dii dio dip dir dis doa dod doi doo dop dor dos dpa dpd dpi dpo dpp dpr dps dra drd dri dro drp drr drs dsa dsd dsi dso dsp dsr dss i-d ia- iaa iad iai iao iap iar ias ida idd idi ido idp idr ids iia iid iii iio iip iir iis io- ioa iod ioi ioo iop ior ios ipa ipd ipi ipo ipp ipr ips ir- ira ird iri iro irp irr irs is- isa isd isi iso isp isr iss o-i oaa oad oai oao oap oar oas oda odd odi odo odp odr ods oia oid oii oio oip oir ois oo- ooa ood ooi ooo oop oor oos op- opa opd opi opo opp opr ops or- ora ord ori oro orp orr ors os- osa osd osi oso osp osr oss p-p paa pad pai pao pap par pas pda pdd pdi pdo pdp pdr pds pia pid pii pio pip pir pis poa pod poi poo pop por pos ppa ppd ppi ppo ppp ppr pps pra prd pri pro prp prr prs ps- psa psd psi pso psp psr pss ra- raa rad rai rao rap rar ras rda rdd rdi rdo rdp rdr rds ria rid rii rio rip rir ris roa rod roi roo rop ror ros rpa rpd rpi rpo rpp rpr rps rra rrd rri rrp rrr rrs rsa rsd rsi rso rsp rsr rss saa sad sai sao sap sar sas sda sdd sdi sdo sdp sdr sds sia sid sii sio sip sir sis soa sod soi soo sop sor sos spa spd spi spo spp spr sps sr- sra srd sri sro srp srr srs ss- ssa ssd ssi sso ssp ssr sss