a-a a-i a-t aaa aaf aai aak aan aar aas aat af- afa aff afi afk afn afr afs aft ai- aia aif aii aik ain air ais ait aka aki akk akn akr aks an- ana anf ani ank ann anr ans ant ar- ara arf ari ark arn arr ars art as- asa asf asi ask asn asr ass ast at- ata atf ati atn atr ats att faa faf fai fak fan far fas fat ffa fff ffi ffk ffn ffr ffs fft fia fif fii fik fin fir fis fit fka fkf fki fkk fkt fna fnf fni fnk fnn fnr fns fnt fra frf fri frk frn frr frs frt fsa fsf fsi fsk fsn fsr fss fst fta ftf fti ftk ftn ftr fts ftt i-f ia- iaa iaf iai ian iar ias iat ifa iff ifi ifn ifr ifs ift iia iif iii iin iir iis iit ika ikf iki ikk ikr iks ikt in- ina inf ini ink inn inr ins int ir- ira irf iri irk irn irr irs irt is- isa isf isi isk isn isr iss ist ita itf iti itk itn its itt k-t ka- kaa kaf kai kak kan kar kas kat kfa kff kfi kfs kia kif kii kik kin kir kis kit kki kkk kkn kkr kks kkt kn- kna knf kni knk knn knr knt kra krf kri krk krn krr krs krt ksa ksf ksi ksk ksn ksr kss kst kta ktf ktk ktn ktr kts ktt n-i naa naf nai nak nan nar nas nat nfa nff nfi nfk nfn nfr nfs nft nia nif nii nik nin nir nis nit nka nkf nki nkk nkn nkr nks nkt nna nnf nni nnk nnn nns nnt nra nrf nri nrk nrn nrr nrs nrt nsa nsf nsi nsk nsn nsr nss nst nta ntf nti ntk ntn ntr nts ntt ra- raa raf rai rak ran rar ras rat rfa rff rfi rfk rfn rfr rfs rft ria rif rii rik rin rir ris rit rkf rkk rks rkt rna rni rnn rnr rns rnt rra rrf rri rrk rrn rrr rrs rrt rsa rsf rsi rsk rsn rsr rss rst rta rtf rti rtk rtn rtr rts rtt saa saf sai sak san sar sas sat sfa sff sfi sfk sfn sfr sfs sft sia sif sii sik sin sir sis sit sk- ska skf ski skk skr sks skt sna snf sni snk snn snr sns snt sr- sra srf sri srk srn srr srs srt ss- ssa ssf ssi ssk ssn ssr sss sst sta stf sti stk stn str sts stt taa taf tai tak tan tar tas tat tfa tff tfi tfk tfn tfr tfs tft tia tif tii tik tin tir tis tit tka tkk tkr tks tkt tna tnf tni tnk tnn tnr tns tnt tra trf tri trk trn trr trs trt tsa tsf tsi tsk tsn tsr tss tst tta ttf tti ttk ttn ttr tts ttt