a-a a-t aaa aad aak aao aap aar aas aat ad- ada add adk ado adp adr ads adt aka akd akk ako akp akr aks aoa aod aok aoo aop aor aos aot ap- apa apd apk apo app apr aps apt ar- ara ard ark aro arp arr ars art as- asa asd ask aso asp asr ass ast at- ata atd ato atp atr ats att daa dad dak dao dap dar das dat dda ddd ddk ddo ddp ddr dds ddt dka dkk dko dkp dkr dks dkt doa dod dok doo dop dor dos dot dpa dpd dpk dpo dpp dpr dps dpt dra drd drk dro drp drr drs drt dsa dsd dsk dso dsp dsr dss dst dta dtd dtk dto dtp dtr dts dtt k-t ka- kaa kad kak kao kap kar kas kat kda kdk kdo kdp kdr kds kdt kkk kkp kkr kks kkt koa kod kok koo kop kor kos kot kpa kpd kpk kpo kpp kpr kps kpt kra krd krk kro krp krr krs krt ksa ksd ksk kso ksp ksr kss kst kta ktk kto ktp ktr kts ktt oaa oad oak oao oap oar oas oat oda odd odo odp odr ods odt oka okd okk oko okp okr oks oo- ooa ood ook ooo oop oor oos oot op- opa opd opk opo opp opr ops opt or- ora ord ork oro orp orr ors ort os- osa osd osk oso osp osr oss ost ot- ota otd otk oto otp otr ots ott p-p paa pad pak pao pap par pas pat pda pdd pdk pdo pdp pdr pds pdt pka pkd pko pkp pkr pks pkt poa pod pok poo pop por pos pot ppa ppd ppk ppo ppp ppr pps ppt pra prd prk pro prp prr prs prt ps- psa psd psk pso psp psr pss pst pt- pta ptd ptk pto ptp ptr pts ptt ra- raa rad rak rao rap rar ras rat rda rdd rdo rdp rdr rds rdt rkk rko rkp rks rkt roa rod rok roo rop ror ros rot rpa rpd rpk rpo rpp rpr rps rpt rra rrd rrk rrp rrr rrs rrt rsa rsd rsk rso rsp rsr rss rst rta rtd rtk rto rtp rtr rts rtt saa sad sak sao sap sar sas sat sda sdd sdk sdo sdp sdr sds sdt sk- ska skd skk sko skp skr sks skt soa sod sok soo sop sor sos sot spa spd spk spo spp spr sps spt sr- sra srd srk sro srp srr srs srt ss- ssa ssd ssk sso ssp ssr sss sst sta std stk sto stp str sts stt taa tad tak tao tap tar tas tat tda tdd tdk tdo tdp tdr tds tdt tka tkk tko tkp tkr tks tkt to- toa tod tok too top tor tos tot tpa tpd tpk tpo tpp tpr tps tpt tra trd trk tro trp trr trs trt tsa tsd tsk tso tsp tsr tss tst tta ttd ttk tto ttp ttr tts ttt