-er a-a aaa aad aae aak aan aap aar aas ad- ada add ade adk adn adp adr ads aea aed aee aek aen aep aer aes aka akd ake akk akn akp akr aks an- ana and ane ank ann anp anr ans ap- apa apd ape apk apn app apr aps ar- ara ard are ark arn arp arr ars as- asa asd ase ask asn asp asr ass daa dad dae dak dan dap dar das dda ddd dde ddk ddn ddp ddr dds de- dea ded dee dek den dep der des dka dke dkk dkp dkr dks dna dnd dne dnk dnn dnp dnr dns dpa dpd dpe dpk dpn dpp dpr dps dra drd dre drk drn drp drr drs dsa dsd dse dsk dsn dsp dsr dss eaa ead eae eak ean eap ear eas ed- eda edd ede edk edn edp edr eds eea eed eee eek een eep eer ees eka ekd eke ekp ekr eks en- ena end ene enk enn enp enr ens ep- epa epd epe epn epp epr eps era erd ere erk ern erp err ers es- esa esd ese esk esn esp esr ess ka- kaa kad kae kak kan kap kar kas kda kde kdk kdp kdr kds ke- kea ked kee kek ken kep ker kes kke kkk kkn kkp kkr kks kn- kna knd kne knk knn knp knr kpa kpd kpe kpk kpn kpp kpr kps kra krd krk krn krp krr krs ksa ksd kse ksk ksn ksp ksr kss naa nad nae nak nan nap nar nas nda ndd nde ndk ndn ndp ndr nds ne- nea ned nee nek nen nep ner nes nka nke nkk nkn nkp nkr nks nna nne nnk nnn nnp nns npa npd npe npn npp npr nps nra nrd nre nrk nrn nrp nrr nrs nsa nsd nse nsk nsn nsp nsr nss p-p paa pad pae pak pan pap par pas pda pdd pde pdk pdn pdp pdr pds pea ped pee pek pen pep per pes pka pkd pke pkn pkp pkr pks pn- pna pnd pne pnk pnn pnp pnr pns ppa ppd ppe ppk ppn ppp ppr pps pra prd pre prk prn prp prr prs ps- psa psd pse psk psn psp psr pss ra- raa rad rae rak ran rap rar ras rda rdd rde rdn rdp rdr rds re- rea red ree rek ren rep rer res rke rkk rkp rks rna rnd rnn rnp rnr rns rpa rpd rpe rpk rpn rpp rpr rps rra rrd rrk rrn rrp rrr rrs rsa rsd rse rsk rsn rsp rsr rss saa sad sae sak san sap sar sas sda sdd sde sdk sdn sdp sdr sds se- sea sed see sek sen sep ser ses sk- ska skd ske skk skp skr sks sna snd sne snk snn snp snr sns spa spd spe spk spn spp spr sps sr- sra srd sre srk srn srp srr srs ss- ssa ssd sse ssk ssn ssp ssr sss