a-a aaa aak aar aas aav aka akk akr aks akv ar- ara ark arr ars arv as- asa ask asr ass asv av- ava avk avr avs ka- kaa kak kar kas kav kkk kkr kks kkv kra krk krr krs krv ksa ksk ksr kss ksv kva kvk kvr kvs kvv ra- raa rak rar ras rav rkk rks rkv rra rrk rrr rrs rsa rsk rsr rss rsv rva rvr rvs rvv saa sak sar sas sav sk- ska skk skr sks sr- sra srk srr srs srv ss- ssa ssk ssr sss ssv sva svk svr svs svv v-a vaa vak var vas vav vka vra vrk vrr vrs vsa vsk vsr vss vsv vva vvr vvs vvv