-er a-a a-t aaa aad aae aak aap aar aas aat ad- ada add ade adk adp adr ads adt aea aed aee aek aep aer aes aet aka akd ake akk akp akr aks ap- apa apd ape apk app apr aps apt ar- ara ard are ark arp arr ars art as- asa asd ase ask asp asr ass ast at- ata atd ate atp atr ats att daa dad dae dak dap dar das dat dda ddd dde ddk ddp ddr dds ddt de- dea ded dee dek dep der des det dka dke dkk dkp dkr dks dkt dpa dpd dpe dpk dpp dpr dps dpt dra drd dre drk drp drr drs drt dsa dsd dse dsk dsp dsr dss dst dta dtd dte dtk dtp dtr dts dtt eaa ead eae eak eap ear eas eat ed- eda edd ede edk edp edr eds edt eea eed eee eek eep eer ees eet eka ekd eke ekp ekr eks ekt ep- epa epd epe epp epr eps ept era erd ere erk erp err ers ert es- esa esd ese esk esp esr ess est eta etd ete etk etp etr ets ett k-t ka- kaa kad kae kak kap kar kas kat kda kde kdk kdp kdr kds kdt ke- kea ked kee kek kep ker kes ket kke kkk kkp kkr kks kkt kpa kpd kpe kpk kpp kpr kps kpt kra krd krk krp krr krs krt ksa ksd kse ksk ksp ksr kss kst kta kte ktk ktp ktr kts ktt p-p paa pad pae pak pap par pas pat pda pdd pde pdk pdp pdr pds pdt pea ped pee pek pep per pes pet pka pkd pke pkp pkr pks pkt ppa ppd ppe ppk ppp ppr pps ppt pra prd pre prk prp prr prs prt ps- psa psd pse psk psp psr pss pst pt- pta ptd pte ptk ptp ptr pts ptt ra- raa rad rae rak rap rar ras rat rda rdd rde rdp rdr rds rdt re- rea red ree rek rep rer res ret rke rkk rkp rks rkt rpa rpd rpe rpk rpp rpr rps rpt rra rrd rrk rrp rrr rrs rrt rsa rsd rse rsk rsp rsr rss rst rta rtd rte rtk rtp rtr rts rtt saa sad sae sak sap sar sas sat sda sdd sde sdk sdp sdr sds sdt se- sea sed see sek sep ser ses set sk- ska skd ske skk skp skr sks skt spa spd spe spk spp spr sps spt sr- sra srd sre srk srp srr srs srt ss- ssa ssd sse ssk ssp ssr sss sst sta std ste stk stp str sts stt taa tad tae tak tap tar tas tat tda tdd tde tdk tdp tdr tds tdt te- tea ted tee tek tep ter tes tet tka tke tkk tkp tkr tks tkt tpa tpd tpe tpk tpp tpr tps tpt tra trd tre trk trp trr trs trt tsa tsd tse tsk tsp tsr tss tst tta ttd tte ttk ttp ttr tts ttt