-al -ic a-a a-b a-c a-i aaa aab aac aaf aai aal aan aar ab- aba abb abc abf abi abl abn abr ac- aca acb acc acf aci acl acn acr af- afa afb afc aff afi afl afn afr ai- aia aib aic aif aii ail ain air al- ala alb alc alf ali all aln alr an- ana anb anc anf ani anl ann anr ar- ara arb arc arf ari arl arn arr baa bab bac baf bai bal ban bar bba bbb bbc bbf bbi bbl bbn bbr bca bcb bcc bcf bci bcl bcn bcr bfa bfb bfc bff bfi bfl bfn bfr bi- bia bib bic bif bii bil bin bir bla blb blc blf bli bll bln blr bna bnb bnc bnf bni bnl bnn bnr bra brb brf bri brl brn brr c-- caa cab cac caf cai cal can car cba cbb cbc cbf cbi cbl cbn cbr cca ccb ccc ccf cci ccl ccn ccr cfa cfb cfc cff cfi cfl cfn cfr ci- cia cib cic cif cii cil cin cir cl- cla clb clc clf cli cll cln clr cn- cna cnb cnc cnf cni cnl cnn cnr cra crb crc crf cri crl crn crr faa fab fac faf fai fal fan far fba fbb fbc fbf fbi fbl fbn fbr fca fcb fcc fcf fci fcl fcn fcr ffa ffc fff ffi ffl ffn ffr fia fib fic fif fii fil fin fir fla flb flc flf fli fll fln flr fna fnb fnc fnf fni fnl fnn fnr fra frb frc frf fri frl frn frr i-f ia- iaa iab iac iaf iai ial ian iar iba ibb ibc ibf ibi ibl ibn ibr ica icb icc icf ici icl icn icr ifa ifb ifc iff ifi ifl ifn ifr iia iib iic iif iii iil iin iir il- ila ilb ilc ilf ili ill iln ilr in- ina inb inc inf ini inl inn inr ir- ira irb irc irf iri irl irn irr la- laa lab lac laf lai lal lan lar lba lbb lbc lbf lbi lbl lbr lca lcb lcc lcf lci lcl lcn lcr lfa lfb lfc lff lfi lfl lfn lfr lia lib lic lif lii lil lin lir lla llb llc llf lli lll lln llr lna lnb lnc lni lnl lnn lnr lra lrb lrc lrf lri lrn lrr n-i naa nab nac naf nai nal nan nar nba nbb nbc nbf nbi nbl nbn nbr nca ncb ncc ncf nci ncl ncn ncr nfa nfb nfc nff nfi nfl nfn nfr nia nib nic nif nii nil nin nir nla nlb nlc nlf nli nll nln nlr nna nnb nnc nnf nni nnl nnn nra nrb nrc nrf nri nrl nrn nrr ra- raa rab rac raf rai ral ran rar rba rbb rbc rbf rbi rbl rbn rbr rca rcb rcc rcf rci rcl rcn rcr rfa rfb rfc rff rfi rfl rfn rfr ria rib ric rif rii ril rin rir rla rlc rlf rli rll rln rlr rna rnb rnc rni rnn rnr rra rrb rrc rrf rri rrl rrn rrr