a-a a-c aaa aac aan aar aay ac- aca acc acn acr acy an- ana anc ann anr any ar- ara arc arn arr ary ay- aya ayc ayn ayr c-- caa cac can car cay cca ccc ccn ccr cn- cna cnc cnn cnr cny cra crc crn crr cry cya cyc cyn cyr naa nac nan nar nay nca ncc ncn ncr nna nnc nnn nra nrc nrn nrr nry nya nyc nyn nyy ra- raa rac ran rar ray rca rcc rcn rcr rna rnc rnn rnr rny rra rrc rrn rrr ry- rya ryc ryn ryr ryy yaa yac yan yar yay yca ycc ycy yna ynn yny yra yrc yrn yyc yyy