a-a aaa aak aan aap aar aas aka akk akn akp akr aks an- ana ank ann anp anr ans ap- apa apk apn app apr aps ar- ara ark arn arp arr ars as- asa ask asn asp asr ass ka- kaa kak kan kap kar kas kkk kkn kkp kkr kks kn- kna knk knn knp knr kpa kpk kpn kpp kpr kps kra krk krn krp krr krs ksa ksk ksn ksp ksr kss naa nak nan nap nar nas nka nkk nkn nkp nkr nks nna nnk nnn nnp nns npa npn npp npr nps nra nrk nrn nrp nrr nrs nsa nsk nsn nsp nsr nss p-p paa pak pan pap par pas pka pkn pkp pkr pks pn- pna pnk pnn pnp pnr pns ppa ppk ppn ppp ppr pps pra prk prn prp prr prs ps- psa psk psn psp psr pss ra- raa rak ran rap rar ras rkk rkp rks rna rnn rnp rnr rns rpa rpk rpn rpp rpr rps rra rrk rrn rrp rrr rrs rsa rsk rsn rsp rsr rss saa sak san sap sar sas sk- ska skk skp skr sks sna snk snn snp snr sns spa spk spn spp spr sps sr- sra srk srn srp srr srs ss- ssa ssk ssn ssp ssr sss