a-a a-i aaa aad aai aak aao aap aar aas ad- ada add adi adk ado adp adr ads ai- aia aid aii aik aio aip air ais aka akd aki akk ako akp akr aks aoa aod aoi aok aoo aop aor aos ap- apa apd api apk apo app apr aps ar- ara ard ari ark aro arp arr ars as- asa asd asi ask aso asp asr ass daa dad dai dak dao dap dar das dda ddd ddi ddk ddo ddp ddr dds di- dia did dii dik dio dip dir dis dka dki dkk dko dkp dkr dks doa dod doi dok doo dop dor dos dpa dpd dpi dpk dpo dpp dpr dps dra drd dri drk dro drp drr drs dsa dsd dsi dsk dso dsp dsr dss i-d ia- iaa iad iai iao iap iar ias ida idd idi idk ido idp idr ids iia iid iii iio iip iir iis ika iki ikk iko ikr iks io- ioa iod ioi ioo iop ior ios ipa ipd ipi ipo ipp ipr ips ir- ira ird iri irk iro irp irr irs is- isa isd isi isk iso isp isr iss ka- kaa kad kai kak kao kap kar kas kda kdk kdo kdp kdr kds kia kid kii kik kio kip kir kis kki kkk kkp kkr kks koa kod koi kok koo kop kor kos kpa kpd kpi kpk kpo kpp kpr kps kra krd kri krk kro krp krr krs ksa ksd ksi ksk kso ksp ksr kss o-i oaa oad oai oak oao oap oar oas oda odd odi odo odp odr ods oia oid oii oik oio oip oir ois oka okd oki okk oko okp okr oks oo- ooa ood ooi ook ooo oop oor oos op- opa opd opi opk opo opp opr ops or- ora ord ori ork oro orp orr ors os- osa osd osi osk oso osp osr oss p-p paa pad pai pak pao pap par pas pda pdd pdi pdk pdo pdp pdr pds pia pid pii pik pio pip pir pis pka pkd pki pko pkp pkr pks poa pod poi pok poo pop por pos ppa ppd ppi ppk ppo ppp ppr pps pra prd pri prk pro prp prr prs ps- psa psd psi psk pso psp psr pss ra- raa rad rai rak rao rap rar ras rda rdd rdi rdo rdp rdr rds ria rid rii rik rio rip rir ris rkk rko rkp rks roa rod roi rok roo rop ror ros rpa rpd rpi rpk rpo rpp rpr rps rra rrd rri rrk rrp rrr rrs rsa rsd rsi rsk rso rsp rsr rss saa sad sai sak sao sap sar sas sda sdd sdi sdk sdo sdp sdr sds sia sid sii sik sio sip sir sis sk- ska skd ski skk sko skp skr sks soa sod soi sok soo sop sor sos spa spd spi spk spo spp spr sps sr- sra srd sri srk sro srp srr srs ss- ssa ssd ssi ssk sso ssp ssr sss