a-a aaa aaf aan aao aap aar aay af- afa aff afn afo afp afr afy an- ana anf ann ano anp anr any aoa aof aon aoo aop aor ap- apa apf apn apo app apr apy ar- ara arf arn aro arp arr ary ay- aya ayf ayn ayo ayp ayr faa faf fan fao fap far fay ffa fff ffn ffo ffp ffr ffy fna fnf fnn fnp fnr foa fof fon foo fop for foy fpa fpn fpo fpp fpr fpy fra frf frn fro frp frr fry fy- fya fyn fyo fyp naa naf nan nao nap nar nay nfa nff nfn nfo nfp nfr nna nnf nnn nno nnp no- noa nof non noo nop nor noy npa npf npn npo npp npr nra nrf nrn nro nrp nrr nry nya nyf nyn nyo nyp nyy oaa oaf oan oao oap oar of- ofa off ofn ofo ofp ofr on- ona onf onn ono onp onr ony oo- ooa oof oon ooo oop oor op- opa opf opn opo opp opr opy or- ora orf orn oro orp orr ory oya oyo p-p paa paf pan pao pap par pay pfa pff pfn pfo pfp pfr pfy pn- pna pnf pnn pno pnp pnr pny poa pof pon poo pop por poy ppa ppf ppn ppo ppp ppr pra prf prn pro prp prr pry py- pya pyf pyn pyo pyr ra- raa raf ran rao rap rar ray rfa rff rfn rfo rfp rfr rna rnn rno rnp rnr rny roa rof ron roo rop ror roy rpa rpf rpn rpo rpp rpr rra rrf rrn rrp rrr ry- rya ryf ryn ryo ryr ryy yaa yaf yan yao yap yar yay yfa yff yfr yna ynn ynp yny yof yon yoo yop yor yoy ypa ypf ypo yra yrf yrn yro yrp yyf yyy