-th fff ffh ffo ffr fft ffu fhf fhh fho fhr fof foh foo for fot fou frf frh fro frr frt fru ftf fth fto ftr ftt ftu fuf fuo fur fut fuu hff hfh hfo hfr hft hfu hhf hhh hho hhr hht hhu hof hoh hoo hor hot hou hr- hrf hrh hro hrr hrt hru htf hth hto htr htt huf huh huo hur hut huu of- off ofo ofr oft ofu ohf ohh oho ohr oht ohu oo- oof ooh ooo oor oot or- orf orh oro orr ort oru ot- otf oth oto otr ott otu ou- ouf ouh ouo our out rff rfh rfo rfr rft rfu rh- rhf rhh rho rhr rht rhu rof roh roo ror rot rou rrf rrh rrr rrt rru rtf rto rtr rtt rtu ruf ruh ruo rur rut ruu tff tfh tfo tfr tft tfu th- thf thh tho thr tht thu to- tof toh too tor tot tou trf trh tro trr trt tru ttf tth tto ttr ttt ttu tuf tuh tuo tur tut tuu uff ufh ufo ufr uft ufu uhf uhh uho uhr uht uhu uoo uor uot ur- urf uro urr urt uru utf uth uto utr utt utu uur uut uuu