fff ffi ffk ffn ffr fft fif fii fik fin fir fit fkf fki fkk fkt fnf fni fnk fnn fnr fnt frf fri frk frn frr frt ftf fti ftk ftn ftr ftt i-f iff ifi ifn ifr ift iif iii iin iir iit ikf iki ikk ikr ikt in- inf ini ink inn inr int ir- irf iri irk irn irr irt itf iti itk itn itt k-t kff kfi kif kii kik kin kir kit kki kkk kkn kkr kkt kn- knf kni knk knn knr knt krf kri krk krn krr krt ktf ktk ktn ktr ktt n-i nff nfi nfk nfn nfr nft nif nii nik nin nir nit nkf nki nkk nkn nkr nkt nnf nni nnk nnn nnt nrf nri nrk nrn nrr nrt ntf nti ntk ntn ntr ntt rff rfi rfk rfn rfr rft rif rii rik rin rir rit rkf rkk rkt rni rnn rnr rnt rrf rri rrk rrn rrr rrt rtf rti rtk rtn rtr rtt tff tfi tfk tfn tfr tft tif tii tik tin tir tit tkk tkr tkt tnf tni tnk tnn tnr tnt trf tri trk trn trr trt ttf tti ttk ttn ttr ttt