a-a aaa aad aaf aak aan aar aav ad- ada add adf adk adn adr adv af- afa afd aff afk afn afr afv aka akd akk akn akr akv an- ana and anf ank ann anr anv ar- ara ard arf ark arn arr arv av- ava avd avf avk avn avr daa dad daf dak dan dar dav dda ddd ddf ddk ddn ddr dfa dfd dff dfk dfn dfr dfv dka dkk dkr dna dnd dnf dnk dnn dnr dra drd drk drn drr drv dva dvd dvk dvn dvr faa fad faf fak fan far fav fda fdd fdf fdk fdn fdr ffa ffd fff ffk ffn ffr ffv fka fkf fkk fna fnd fnf fnk fnn fnr fnv fra frd frf frk frn frr fva fvd fvk ka- kaa kad kaf kak kan kar kav kda kdf kdk kdr kfa kfd kff kkk kkn kkr kkv kn- kna knd knf knk knn knr kra krd krf krk krn krr krv kva kvk kvn kvr kvv naa nad naf nak nan nar nav nda ndd ndf ndk ndn ndr ndv nfa nfd nff nfk nfn nfr nfv nka nkf nkk nkn nkr nna nnf nnk nnn nnv nra nrd nrf nrk nrn nrr nrv nva nvd nvk nvn nvv ra- raa rad raf rak ran rar rav rda rdd rdf rdn rdr rdv rfa rfd rff rfk rfn rfr rfv rkf rkk rkv rna rnd rnn rnr rnv rra rrd rrf rrk rrn rrr rva rvd rvf rvn rvr rvv v-a vaa vad vak van var vav vdd vdf vdk vdr vdv vfa vfd vff vfn vfr vfv vka vn- vna vnd vnf vnr vnv vra vrd vrf vrk vrn vrr vva vvr vvv