a-a a-c aaa aac aak aan aao aar aay ac- aca acc ack acn aco acr acy aka akc akk akn ako akr an- ana anc ank ann ano anr any aoa aoc aok aon aoo aor ar- ara arc ark arn aro arr ary ay- aya ayc ayk ayn ayo ayr c-- caa cac cak can cao car cay cca ccc cck ccn cco ccr cka ckc cko cky cn- cna cnc cnn cno cnr cny co- coa coc cok con coo cor coy cra crc crk crn cro crr cry cya cyc cyk cyn cyo cyr ka- kaa kac kak kan kao kar kay kca kcc kck kcn kcr kkc kkk kkn kkr kky kn- kna knc knk knn kno knr koa koc kok kon koo kor koy kra krc krk krn kro krr kry kya kyc kyn kyo kyr naa nac nak nan nao nar nay nca ncc nck ncn nco ncr nka nkc nkk nkn nko nkr nky nna nnc nnk nnn nno no- noa noc nok non noo nor noy nra nrc nrk nrn nro nrr nry nya nyc nyk nyn nyo nyy oaa oac oak oan oao oar oc- oca occ ock ocn oco ocr oka okc okk oko okr on- ona onc onk onn ono onr ony oo- ooa ooc ook oon ooo oor or- ora orc ork orn oro orr ory oya oyo ra- raa rac rak ran rao rar ray rca rcc rcn rco rcr rkc rkk rko rky rna rnc rnn rno rnr rny roa roc rok ron roo ror roy rra rrc rrk rrn rrr ry- rya ryc ryk ryn ryo ryr ryy yaa yac yak yan yao yar yay yca ycc yco ycy yka ykk ykn yna ynk ynn yny yoc yok yon yoo yor yoy yra yrc yrn yro yyc yyy