eee eef eeg eek een eeo ees eet ef- efe eff efg efi efo efs eft ege egf egg egi egn ego egs egt eie eif eig eii eik ein eio eis eit eke ekf ekg eki eko eks ekt en- ene enf eng eni enk enn eno ens ent eo- eoe eof eog eoi eok eon eoo eos eot es- ese esf esg esi esk esn eso ess est ete etf etg eti etk etn eto ets ett fee fef feg fei fek fen feo fes fet ffe fff ffg ffi ffk ffn ffo ffs fft fge fgf fgg fgi fgn fgs fgt fie fif fig fii fik fin fis fit fkf fkg fki fkk fkt fne fnf fng fni fnk fnn fns fnt foe fof fog foi fok fon foo fos fot fse fsf fsg fsi fsk fsn fso fss fst fte ftf ftg fti ftk ftn fto fts ftt ge- gee gef geg gei gek gen geo ges get gfe gff gfi gfk gfo gfs gft ggg ggi ggn ggo ggs ggt gie gif gig gii gik gin gio gis git gkn gko gks gkt gne gnf gni gnn gno gns gnt goe gof gog goi gok gon goo gos got gse gsf gsg gsi gsk gsn gso gss gst gte gtf gtg gti gtk gtn gto gts gtt i-f ie- iee ief ieg iei iek ien ies iet ife iff ifg ifi ifn ifo ifs ift ige igf igg igi igk ign igo igs igt iie iif iii iin iio iis iit ike ikf iki ikk iko iks ikt in- ine inf ing ini ink inn ino ins int io- ioe iof iog ioi ion ioo ios iot is- ise isf isg isi isk isn iso iss ist ite itf itg iti itk itn ito its itt k-t ke- kee kef keg kei kek ken keo kes ket kff kfg kfi kfo kfs kgf kgi kgo kgs kie kif kig kii kik kin kio kis kit kke kki kkk kkn kks kkt kn- kne knf kng kni knk knn kno knt koe kof kog koi kok kon koo kos kot kse ksf ksg ksi ksk ksn kso kss kst kte ktf ktg ktk ktn kto kts ktt n-i ne- nee nef neg nei nek nen neo nes net nfe nff nfi nfk nfn nfo nfs nft nge ngf ngg ngi ngk ngn ngo ngs ngt nie nif nig nii nik nin nio nis nit nke nkf nki nkk nkn nko nks nkt nne nnf nng nni nnk nnn nno nns nnt no- noe nof nog noi nok non noo nos not nse nsf nsg nsi nsk nsn nso nss nst nte ntf ntg nti ntk ntn nto nts ntt o-i oee oef oeg oei oen oeo oes oet of- ofe off ofg ofi ofn ofo ofs oft oge ogf ogg ogi ogn ogo ogs ogt oie oif oii oik oin oio ois oit oke okg oki okk oko oks on- one onf ong oni onk onn ono ons ont oo- oof oog ooi ook oon ooo oos oot os- ose osf osg osi osk osn oso oss ost ot- ote otf otg oti otk otn oto ots ott se- see sef seg sei sek sen seo ses set sfe sff sfg sfi sfk sfn sfo sfs sft sge sgf sgg sgi sgk sgn sgo sgs sgt sie sif sig sii sik sin sio sis sit sk- ske skf skg ski skk sko sks skt sne snf sng sni snk snn sno sns snt soe sof sog soi sok son soo sos sot ss- sse ssf ssg ssi ssk ssn sso sss sst ste stf stg sti stk stn sto sts stt te- tee tef teg tei tek ten teo tes tet tfe tff tfg tfi tfk tfn tfo tfs tft tge tgf tgg tgi tgk tgn tgo tgs tgt tie tif tig tii tik tin tio tis tit tke tkg tkk tko tks tkt tne tnf tng tni tnk tnn tno tns tnt to- toe tof tog toi tok ton too tos tot tse tsf tsg tsi tsk tsn tso tss tst tte ttf ttg tti ttk ttn tto tts ttt