fff ffi ffn ffo ffp ffr fft ffy fif fii fin fip fir fit fnf fni fnn fnp fnr fnt fof foi fon foo fop for fot foy fpi fpn fpo fpp fpr fpt fpy frf fri frn fro frp frr frt fry ftf fti ftn fto ftp ftr ftt fty fy- fyi fyn fyo fyp i-f iff ifi ifn ifo ifp ifr ift ify iif iii iin iio iip iir iit in- inf ini inn ino inp inr int iny io- iof ioi ion ioo iop ior iot ipf ipi ipn ipo ipp ipr ipt ipy ir- irf iri irn iro irp irr irt iry itf iti itn ito itp itt ity iyo iyr iyt iyy n-i nff nfi nfn nfo nfp nfr nft nif nii nin nio nip nir nit nnf nni nnn nno nnp nnt no- nof noi non noo nop nor not noy npf npi npn npo npp npr npt nrf nri nrn nro nrp nrr nrt nry ntf nti ntn nto ntp ntr ntt nyf nyn nyo nyp nyt nyy o-i of- off ofi ofn ofo ofp ofr oft oif oii oin oio oip oir oit on- onf oni onn ono onp onr ont ony oo- oof ooi oon ooo oop oor oot op- opf opi opn opo opp opr opt opy or- orf ori orn oro orp orr ort ory ot- otf oti otn oto otp otr ott oyi oyo p-p pff pfi pfn pfo pfp pfr pft pfy pif pii pin pio pip pir pit pn- pnf pni pnn pno pnp pnr pnt pny pof poi pon poo pop por pot poy ppf ppi ppn ppo ppp ppr ppt prf pri prn pro prp prr prt pry pt- ptf pti ptn pto ptp ptr ptt pty py- pyf pyn pyo pyr pyt rff rfi rfn rfo rfp rfr rft rif rii rin rio rip rir rit riy rni rnn rno rnp rnr rnt rny rof roi ron roo rop ror rot roy rpf rpi rpn rpo rpp rpr rpt rrf rri rrn rrp rrr rrt rtf rti rtn rto rtp rtr rtt rty ry- ryf ryn ryo ryr ryy tff tfi tfn tfo tfp tfr tft tif tii tin tio tip tir tit tiy tnf tni tnn tno tnp tnr tnt to- tof toi ton too top tor tot toy tpf tpi tpn tpo tpp tpr tpt trf tri trn tro trp trr trt try ttf tti ttn tto ttp ttr ttt tty tyf tyn tyo typ tyr tyt yff yfr yft yif yii yin yio yip yir yit ynn ynp yny yof yoi yon yoo yop yor yot yoy ypf ypo yrf yrn yro yrp yrt ytf ytn yto ytp ytr ytt yyf yyt yyy