-th fff ffh ffn ffo ffr ffs fft fhf fhh fhn fho fhr fhs fnf fnh fnn fnr fns fnt fof foh fon foo for fos fot frf frh frn fro frr frs frt fsf fsh fsn fso fsr fss fst ftf fth ftn fto ftr fts ftt hff hfh hfn hfo hfr hfs hft hhf hhh hhn hho hhr hhs hht hnf hnh hnn hno hns hnt hof hoh hon hoo hor hos hot hr- hrf hrh hrn hro hrr hrs hrt hsf hsh hsn hsr hss hst htf hth htn hto htr hts htt nff nfn nfo nfr nfs nft nhf nhh nhn nhr nhs nht nnf nnh nnn nno nns nnt no- nof noh non noo nor nos not nrf nrn nro nrr nrs nrt nsf nsh nsn nso nsr nss nst ntf nth ntn nto ntr nts ntt of- off ofn ofo ofr ofs oft ohf ohh ohn oho ohr ohs oht on- onf onh onn ono onr ons ont oo- oof ooh oon ooo oor oos oot or- orf orh orn oro orr ors ort os- osf osh osn oso osr oss ost ot- otf oth otn oto otr ots ott rff rfh rfn rfo rfr rfs rft rh- rhf rhh rhn rho rhr rhs rht rnh rnn rno rnr rns rnt rof roh ron roo ror ros rot rrf rrh rrn rrr rrs rrt rsf rsh rsn rso rsr rss rst rtf rtn rto rtr rts rtt sff sfh sfn sfo sfr sfs sft sh- shf shh shn sho shr shs sht snf snn sno snr sns snt sof soh son soo sor sos sot sr- srf srh srn sro srr srs srt ss- ssf ssh ssn sso ssr sss sst stf sth stn sto str sts stt tff tfh tfn tfo tfr tfs tft th- thf thh thn tho thr ths tht tnf tnh tnn tno tnr tns tnt to- tof toh ton too tor tos tot trf trh trn tro trr trs trt tsf tsh tsn tso tsr tss tst ttf tth ttn tto ttr tts ttt