-th fff ffh ffk ffo ffr ffs fft ffu fhf fhh fho fhr fhs fkf fkk fkt fof foh fok foo for fos fot fou frf frh frk fro frr frs frt fru fsf fsh fsk fso fsr fss fst fsu ftf fth ftk fto ftr fts ftt ftu fuf fuk fuo fur fus fut fuu hff hfh hfk hfo hfr hfs hft hfu hhf hhh hhk hho hhr hhs hht hhu hkf hkh hkk hko hkr hks hkt hku hof hoh hok hoo hor hos hot hou hr- hrf hrh hrk hro hrr hrs hrt hru hsf hsh hsk hsr hss hst hsu htf hth htk hto htr hts htt huf huh huk huo hur hus hut huu k-t kff kfh kfo kfs kfu khf khh khk kho khr khs khu kkh kkk kkr kks kkt kku kof koh kok koo kor kos kot kou krf krk kro krr krs krt kru ksf ksh ksk kso ksr kss kst ksu ktf kth ktk kto ktr kts ktt ktu kuh kuk kur kus kut kuu of- off ofo ofr ofs oft ofu ohf ohh oho ohr ohs oht ohu okk oko okr oks oku oo- oof ooh ook ooo oor oos oot or- orf orh ork oro orr ors ort oru os- osf osh osk oso osr oss ost osu ot- otf oth otk oto otr ots ott otu ou- ouf ouh ouk ouo our ous out rff rfh rfk rfo rfr rfs rft rfu rh- rhf rhh rho rhr rhs rht rhu rkf rkk rko rks rkt rku rof roh rok roo ror ros rot rou rrf rrh rrk rrr rrs rrt rru rsf rsh rsk rso rsr rss rst rsu rtf rtk rto rtr rts rtt rtu ruf ruh ruk ruo rur rus rut ruu sff sfh sfk sfo sfr sfs sft sfu sh- shf shh shk sho shr shs sht shu sk- skf skh skk sko skr sks skt sku sof soh sok soo sor sos sot sou sr- srf srh srk sro srr srs srt ss- ssf ssh ssk sso ssr sss sst ssu stf sth stk sto str sts stt stu suf suh suk suo sur sus sut suu tff tfh tfk tfo tfr tfs tft tfu th- thf thh thk tho thr ths tht thu tkk tko tkr tks tkt to- tof toh tok too tor tos tot tou trf trh trk tro trr trs trt tru tsf tsh tsk tso tsr tss tst tsu ttf tth ttk tto ttr tts ttt ttu tuf tuh tuk tuo tur tus tut tuu uff ufh ufo ufr ufs uft ufu uhf uhh uho uhr uhs uht uhu ukf ukk ukr uku uok uoo uor uos uot ur- urf urk uro urr urs urt uru usf ush usk uso usr uss ust usu utf uth utk uto utr uts utt utu uur uus uut uuu