a-a a-i a-t aaa aaf aag aai aak aan aar aas aat af- afa aff afg afi afk afn afr afs aft ag- aga agf agg agi agk agn agr ags agt ai- aia aif aig aii aik ain air ais ait aka akg aki akk akn akr aks an- ana anf ang ani ank ann anr ans ant ar- ara arf arg ari ark arn arr ars art as- asa asf asg asi ask asn asr ass ast at- ata atf atg ati atn atr ats att faa faf fag fai fak fan far fas fat ffa fff ffg ffi ffk ffn ffr ffs fft fga fgf fgg fgi fgn fgr fgs fgt fia fif fig fii fik fin fir fis fit fka fkf fkg fki fkk fkt fna fnf fng fni fnk fnn fnr fns fnt fra frf frg fri frk frn frr frs frt fsa fsf fsg fsi fsk fsn fsr fss fst fta ftf ftg fti ftk ftn ftr fts ftt gaa gaf gag gai gak gan gar gas gat gfa gff gfi gfk gfr gfs gft gga ggg ggi ggn ggr ggs ggt gia gif gig gii gik gin gir gis git gka gkn gks gkt gna gnf gni gnn gnr gns gnt gra grf grg gri grk grn grr grs grt gsa gsf gsg gsi gsk gsn gsr gss gst gta gtf gtg gti gtk gtn gtr gts gtt i-f ia- iaa iaf iag iai ian iar ias iat ifa iff ifg ifi ifn ifr ifs ift iga igf igg igi igk ign igr igs igt iia iif iii iin iir iis iit ika ikf iki ikk ikr iks ikt in- ina inf ing ini ink inn inr ins int ir- ira irf irg iri irk irn irr irs irt is- isa isf isg isi isk isn isr iss ist ita itf itg iti itk itn its itt k-t ka- kaa kaf kag kai kak kan kar kas kat kfa kff kfg kfi kfs kga kgf kgi kgs kia kif kig kii kik kin kir kis kit kki kkk kkn kkr kks kkt kn- kna knf kng kni knk knn knr knt kra krf krg kri krk krn krr krs krt ksa ksf ksg ksi ksk ksn ksr kss kst kta ktf ktg ktk ktn ktr kts ktt n-i naa naf nag nai nak nan nar nas nat nfa nff nfi nfk nfn nfr nfs nft nga ngf ngg ngi ngk ngn ngs ngt nia nif nig nii nik nin nir nis nit nka nkf nki nkk nkn nkr nks nkt nna nnf nng nni nnk nnn nns nnt nra nrf nrg nri nrk nrn nrr nrs nrt nsa nsf nsg nsi nsk nsn nsr nss nst nta ntf ntg nti ntk ntn ntr nts ntt ra- raa raf rag rai rak ran rar ras rat rfa rff rfg rfi rfk rfn rfr rfs rft rga rgf rgg rgi rgk rgn rgr rgs rgt ria rif rig rii rik rin rir ris rit rkf rkg rkk rks rkt rna rng rni rnn rnr rns rnt rra rrf rrg rri rrk rrn rrr rrs rrt rsa rsf rsg rsi rsk rsn rsr rss rst rta rtf rtg rti rtk rtn rtr rts rtt saa saf sag sai sak san sar sas sat sfa sff sfg sfi sfk sfn sfr sfs sft sga sgf sgg sgi sgk sgn sgr sgs sgt sia sif sig sii sik sin sir sis sit sk- ska skf skg ski skk skr sks skt sna snf sng sni snk snn snr sns snt sr- sra srf srg sri srk srn srr srs srt ss- ssa ssf ssg ssi ssk ssn ssr sss sst sta stf stg sti stk stn str sts stt taa taf tag tai tak tan tar tas tat tfa tff tfg tfi tfk tfn tfr tfs tft tga tgf tgg tgi tgk tgn tgr tgs tgt tia tif tig tii tik tin tir tis tit tka tkg tkk tkr tks tkt tna tnf tng tni tnk tnn tnr tns tnt tra trf trg tri trk trn trr trs trt tsa tsf tsg tsi tsk tsn tsr tss tst tta ttf ttg tti ttk ttn ttr tts ttt