-ol fff ffk ffl ffn ffo ffs fft ffu fkf fkk fkl fkt flf fll fln flo fls flt flu fnf fnk fnl fnn fns fnt fnu fof fok fol fon foo fos fot fou fsf fsk fsl fsn fso fss fst fsu ftf ftk ftl ftn fto fts ftt ftu fuf fuk ful fun fuo fus fut fuu k-t kff kfo kfs kfu kkk kkl kkn kks kkt kku kl- klf klo kls klt klu kn- knf knk knl knn kno knt knu kof kok kol kon koo kos kot kou ksf ksk ksl ksn kso kss kst ksu ktf ktk ktl ktn kto kts ktt ktu kuk kul kun kus kut kuu lff lfk lfl lfn lfo lfs lft lfu lkl lks lkt llf llk lll lln llo lls llt llu lnk lnl lnn lno lns lnt lnu lof lok lol lon loo los lot lou lsf lsk lsl lsn lso lss lst lsu ltf ltk ltl lto lts ltt ltu luf luk lul lun luo lus lut luu nff nfk nfl nfn nfo nfs nft nfu nkf nkk nkn nko nks nkt nku nlf nlk nll nln nlo nls nlt nlu nnf nnk nnl nnn nno nns nnt nnu no- nof nok nol non noo nos not nou nsf nsk nsl nsn nso nss nst nsu ntf ntk ntn nto nts ntt ntu nuk nul nun nuo nus nut nuu of- off ofl ofn ofo ofs oft ofu okk okl oko oks oku olf olk oll oln olo ols olt olu on- onf onk onl onn ono ons ont onu oo- oof ook ool oon ooo oos oot os- osf osk osl osn oso oss ost osu ot- otf otk otl otn oto ots ott otu ou- ouf ouk oul oun ouo ous out sff sfk sfl sfn sfo sfs sft sfu sk- skf skk skl sko sks skt sku slf slk sll sln slo sls slt slu snf snk snl snn sno sns snt snu sof sok sol son soo sos sot sou ss- ssf ssk ssl ssn sso sss sst ssu stf stk stl stn sto sts stt stu suf suk sul sun suo sus sut suu tff tfk tfl tfn tfo tfs tft tfu tkk tkl tko tks tkt tlf tlk tll tln tlo tls tlt tlu tnf tnk tnl tnn tno tns tnt to- tof tok tol ton too tos tot tou tsf tsk tsl tsn tso tss tst tsu ttf ttk ttl ttn tto tts ttt ttu tuf tuk tul tun tuo tus tut tuu uff ufl ufn ufo ufs uft ufu ukf ukk ukl ukn uku ulf ulk ull uln ulo uls ult ulu un- unf unk unl unn uno uns unt unu uok uol uon uoo uos uot usf usk usl usn uso uss ust usu utf utk utl utn uto uts utt utu uun uus uut uuu