-al -ic a-a a-b a-c a-i aaa aab aac aaf aai aak aal aan aar ab- aba abb abc abf abi abk abl abn abr ac- aca acb acc acf aci ack acl acn acr af- afa afb afc aff afi afk afl afn afr ai- aia aib aic aif aii aik ail ain air aka akb akc aki akk akl akn akr al- ala alb alc alf ali alk all aln alr an- ana anb anc anf ani ank anl ann anr ar- ara arb arc arf ari ark arl arn arr baa bab bac baf bai bak bal ban bar bba bbb bbc bbf bbi bbk bbl bbn bbr bca bcb bcc bcf bci bck bcl bcn bcr bfa bfb bfc bff bfi bfl bfn bfr bi- bia bib bic bif bii bik bil bin bir bka bkb bkc bkf bkk bkl bkn bkr bla blb blc blf bli blk bll bln blr bna bnb bnc bnf bni bnk bnl bnn bnr bra brb brf bri brk brl brn brr c-- caa cab cac caf cai cak cal can car cba cbb cbc cbf cbi cbk cbl cbn cbr cca ccb ccc ccf cci cck ccl ccn ccr cfa cfb cfc cff cfi cfk cfl cfn cfr ci- cia cib cic cif cii cik cil cin cir cka ckb ckc cki cl- cla clb clc clf cli clk cll cln clr cn- cna cnb cnc cnf cni cnl cnn cnr cra crb crc crf cri crk crl crn crr faa fab fac faf fai fak fal fan far fba fbb fbc fbf fbi fbk fbl fbn fbr fca fcb fcc fcf fci fck fcl fcn fcr ffa ffc fff ffi ffk ffl ffn ffr fia fib fic fif fii fik fil fin fir fka fkb fkc fkf fki fkk fkl fla flb flc flf fli fll fln flr fna fnb fnc fnf fni fnk fnl fnn fnr fra frb frc frf fri frk frl frn frr i-f ia- iaa iab iac iaf iai ial ian iar iba ibb ibc ibf ibi ibk ibl ibn ibr ica icb icc icf ici ick icl icn icr ifa ifb ifc iff ifi ifl ifn ifr iia iib iic iif iii iil iin iir ika ikb ikc ikf iki ikk ikl ikr il- ila ilb ilc ilf ili ilk ill iln ilr in- ina inb inc inf ini ink inl inn inr ir- ira irb irc irf iri irk irl irn irr ka- kaa kab kac kaf kai kak kal kan kar kba kbb kbc kbf kbi kbk kbl kbn kbr kca kcb kcc kci kck kcl kcn kcr kfa kfc kff kfi kia kib kic kif kii kik kil kin kir kkb kkc kki kkk kkl kkn kkr kl- kla klb klc klf kli klr kn- kna knc knf kni knk knl knn knr kra krc krf kri krk krl krn krr la- laa lab lac laf lai lak lal lan lar lba lbb lbc lbf lbi lbk lbl lbr lca lcb lcc lcf lci lck lcl lcn lcr lfa lfb lfc lff lfi lfk lfl lfn lfr lia lib lic lif lii lik lil lin lir lka lkb lkl lkr lla llb llc llf lli llk lll lln llr lna lnb lnc lni lnk lnl lnn lnr lra lrb lrc lrf lri lrk lrn lrr n-i naa nab nac naf nai nak nal nan nar nba nbb nbc nbf nbi nbk nbl nbn nbr nca ncb ncc ncf nci nck ncl ncn ncr nfa nfb nfc nff nfi nfk nfl nfn nfr nia nib nic nif nii nik nil nin nir nka nkc nkf nki nkk nkn nkr nla nlb nlc nlf nli nlk nll nln nlr nna nnb nnc nnf nni nnk nnl nnn nra nrb nrc nrf nri nrk nrl nrn nrr ra- raa rab rac raf rai rak ral ran rar rba rbb rbc rbf rbi rbk rbl rbn rbr rca rcb rcc rcf rci rcl rcn rcr rfa rfb rfc rff rfi rfk rfl rfn rfr ria rib ric rif rii rik ril rin rir rkb rkc rkf rkk rla rlc rlf rli rll rln rlr rna rnb rnc rni rnn rnr rra rrb rrc rrf rri rrk rrl rrn rrr