a-a a-c aaa aac aaf aan aao aar aay ac- aca acc acf acn aco acr acy af- afa afc aff afn afo afr afy an- ana anc anf ann ano anr any aoa aoc aof aon aoo aor ar- ara arc arf arn aro arr ary ay- aya ayc ayf ayn ayo ayr c-- caa cac caf can cao car cay cca ccc ccf ccn cco ccr cfa cfc cff cfn cfo cfr cn- cna cnc cnf cnn cno cnr cny co- coa coc cof con coo cor coy cra crc crf crn cro crr cry cya cyc cyf cyn cyo cyr faa fac faf fan fao far fay fca fcc fcf fcn fco fcr fcy ffa ffc fff ffn ffo ffr ffy fna fnc fnf fnn fnr foa foc fof fon foo for foy fra frc frf frn fro frr fry fy- fya fyc fyn fyo naa nac naf nan nao nar nay nca ncc ncf ncn nco ncr nfa nfc nff nfn nfo nfr nna nnc nnf nnn nno no- noa noc nof non noo nor noy nra nrc nrf nrn nro nrr nry nya nyc nyf nyn nyo nyy oaa oac oaf oan oao oar oc- oca occ ocf ocn oco ocr of- ofa ofc off ofn ofo ofr on- ona onc onf onn ono onr ony oo- ooa ooc oof oon ooo oor or- ora orc orf orn oro orr ory oya oyo ra- raa rac raf ran rao rar ray rca rcc rcf rcn rco rcr rfa rfc rff rfn rfo rfr rna rnc rnn rno rnr rny roa roc rof ron roo ror roy rra rrc rrf rrn rrr ry- rya ryc ryf ryn ryo ryr ryy yaa yac yaf yan yao yar yay yca ycc ycf yco ycy yfa yfc yff yfr yna ynn yny yoc yof yon yoo yor yoy yra yrc yrf yrn yro yyc yyf yyy