a-a aaa aaf aan aap aar aay af- afa aff afn afp afr afy an- ana anf ann anp anr any ap- apa apf apn app apr apy ar- ara arf arn arp arr ary ay- aya ayf ayn ayp ayr faa faf fan fap far fay ffa fff ffn ffp ffr ffy fna fnf fnn fnp fnr fpa fpn fpp fpr fpy fra frf frn frp frr fry fy- fya fyn fyp naa naf nan nap nar nay nfa nff nfn nfp nfr nna nnf nnn nnp npa npf npn npp npr nra nrf nrn nrp nrr nry nya nyf nyn nyp nyy p-p paa paf pan pap par pay pfa pff pfn pfp pfr pfy pn- pna pnf pnn pnp pnr pny ppa ppf ppn ppp ppr pra prf prn prp prr pry py- pya pyf pyn pyr ra- raa raf ran rap rar ray rfa rff rfn rfp rfr rna rnn rnp rnr rny rpa rpf rpn rpp rpr rra rrf rrn rrp rrr ry- rya ryf ryn ryr ryy yaa yaf yan yap yar yay yfa yff yfr yna ynn ynp yny ypa ypf yra yrf yrn yrp yyf yyy