fff ffi ffk ffn ffo ffp ffr ffs fft ffy fif fii fik fin fip fir fis fit fkf fki fkk fkp fkt fnf fni fnk fnn fnp fnr fns fnt fof foi fok fon foo fop for fos fot foy fpi fpk fpn fpo fpp fpr fps fpt fpy frf fri frk frn fro frp frr frs frt fry fsf fsi fsk fsn fso fsp fsr fss fst ftf fti ftk ftn fto ftp ftr fts ftt fty fy- fyi fyk fyn fyo fyp i-f iff ifi ifn ifo ifp ifr ifs ift ify iif iii iin iio iip iir iis iit ikf iki ikk iko ikr iks ikt in- inf ini ink inn ino inp inr ins int iny io- iof ioi ion ioo iop ior ios iot ipf ipi ipn ipo ipp ipr ips ipt ipy ir- irf iri irk irn iro irp irr irs irt iry is- isf isi isk isn iso isp isr iss ist isy itf iti itk itn ito itp its itt ity iyo iyr iys iyt iyy k-t kff kfi kfo kfs kif kii kik kin kio kip kir kis kit kki kkk kkn kkp kkr kks kkt kky kn- knf kni knk knn kno knp knr knt kof koi kok kon koo kop kor kos kot koy kpf kpi kpk kpn kpo kpp kpr kps kpt krf kri krk krn kro krp krr krs krt kry ksf ksi ksk ksn kso ksp ksr kss kst ktf ktk ktn kto ktp ktr kts ktt kyn kyo kyp kyr kys kyt n-i nff nfi nfk nfn nfo nfp nfr nfs nft nif nii nik nin nio nip nir nis nit nkf nki nkk nkn nko nkp nkr nks nkt nky nnf nni nnk nnn nno nnp nns nnt no- nof noi nok non noo nop nor nos not noy npf npi npn npo npp npr nps npt nrf nri nrk nrn nro nrp nrr nrs nrt nry nsf nsi nsk nsn nso nsp nsr nss nst nsy ntf nti ntk ntn nto ntp ntr nts ntt nyf nyk nyn nyo nyp nys nyt nyy o-i of- off ofi ofn ofo ofp ofr ofs oft oif oii oik oin oio oip oir ois oit oki okk oko okp okr oks on- onf oni onk onn ono onp onr ons ont ony oo- oof ooi ook oon ooo oop oor oos oot op- opf opi opk opn opo opp opr ops opt opy or- orf ori ork orn oro orp orr ors ort ory os- osf osi osk osn oso osp osr oss ost ot- otf oti otk otn oto otp otr ots ott oyi oyo oys p-p pff pfi pfk pfn pfo pfp pfr pfs pft pfy pif pii pik pin pio pip pir pis pit pkf pki pkn pko pkp pkr pks pkt pky pn- pnf pni pnk pnn pno pnp pnr pns pnt pny pof poi pok pon poo pop por pos pot poy ppf ppi ppk ppn ppo ppp ppr pps ppt prf pri prk prn pro prp prr prs prt pry ps- psf psi psk psn pso psp psr pss pst psy pt- ptf pti ptk ptn pto ptp ptr pts ptt pty py- pyf pyk pyn pyo pyr pys pyt rff rfi rfk rfn rfo rfp rfr rfs rft rif rii rik rin rio rip rir ris rit riy rkf rkk rko rkp rks rkt rky rni rnn rno rnp rnr rns rnt rny rof roi rok ron roo rop ror ros rot roy rpf rpi rpk rpn rpo rpp rpr rps rpt rrf rri rrk rrn rrp rrr rrs rrt rsf rsi rsk rsn rso rsp rsr rss rst rtf rti rtk rtn rto rtp rtr rts rtt rty ry- ryf ryk ryn ryo ryr rys ryy sff sfi sfk sfn sfo sfp sfr sfs sft sif sii sik sin sio sip sir sis sit sk- skf ski skk sko skp skr sks skt sky snf sni snk snn sno snp snr sns snt sny sof soi sok son soo sop sor sos sot soy spf spi spk spn spo spp spr sps spt spy sr- srf sri srk srn sro srp srr srs srt sry ss- ssf ssi ssk ssn sso ssp ssr sss sst stf sti stk stn sto stp str sts stt sty sy- syi syk syn syp syr sys syt tff tfi tfk tfn tfo tfp tfr tfs tft tif tii tik tin tio tip tir tis tit tiy tkk tko tkp tkr tks tkt tky tnf tni tnk tnn tno tnp tnr tns tnt to- tof toi tok ton too top tor tos tot toy tpf tpi tpk tpn tpo tpp tpr tps tpt trf tri trk trn tro trp trr trs trt try tsf tsi tsk tsn tso tsp tsr tss tst tsy ttf tti ttk ttn tto ttp ttr tts ttt tty tyf tyn tyo typ tyr tys tyt yff yfr yfs yft yif yii yin yio yip yir yis yit yki ykk ykn ynk ynn ynp yns yny yof yoi yok yon yoo yop yor yos yot yoy ypf ypo yps yrf yrn yro yrp yrs yrt ysi ysk yso ysp ysr yss yst ysy ytf ytk ytn yto ytp ytr yts ytt yyf yys yyt yyy