-al -er -ic a-a a-c a-i aaa aac aae aaf aai aak aal aar ac- aca acc ace acf aci ack acl acr aea aec aee aef aei aek ael aer af- afa afc afe aff afi afk afl afr ai- aia aic aie aif aii aik ail air aka akc ake aki akk akl akr al- ala alc ale alf ali alk all alr ar- ara arc are arf ari ark arl arr c-- caa cac cae caf cai cak cal car cca ccc cce ccf cci cck ccl ccr ce- cea cec cee cef cei cek cel cer cfa cfc cfe cff cfi cfk cfl cfr ci- cia cic cie cif cii cik cil cir cka ckc cki cl- cla clc cle clf cli clk cll clr cra crc cre crf cri crk crl crr eaa eac eae eaf eai eak eal ear ec- eca ecc ece ecf eci eck ecl ecr eea eec eee eef eek eel eer ef- efa efc efe eff efi efl efr eia eic eie eif eii eik eil eir eka ekc eke ekf eki ekl ekr ela elc ele elf eli elk ell elr era erc ere erf eri erk erl err faa fac fae faf fai fak fal far fca fcc fce fcf fci fck fcl fcr fea fec fee fef fei fek fel fer ffa ffc ffe fff ffi ffk ffl ffr fia fic fie fif fii fik fil fir fka fkc fkf fki fkk fkl fla flc fle flf fli fll flr fra frc fre frf fri frk frl frr i-f ia- iaa iac iae iaf iai ial iar ica icc ice icf ici ick icl icr ie- iea iec iee ief iei iek iel ier ifa ifc ife iff ifi ifl ifr iia iic iie iif iii iil iir ika ikc ike ikf iki ikk ikl ikr il- ila ilc ile ilf ili ilk ill ilr ir- ira irc ire irf iri irk irl irr ka- kaa kac kae kaf kai kak kal kar kca kcc kce kci kck kcl kcr ke- kea kec kee kef kei kek kel ker kfa kfc kff kfi kia kic kie kif kii kik kil kir kkc kke kki kkk kkl kkr kl- kla klc klf kli klr kra krc krf kri krk krl krr la- laa lac lae laf lai lak lal lar lca lcc lce lcf lci lck lcl lcr lea lec lee lef lei lek lel ler lfa lfc lfe lff lfi lfk lfl lfr lia lic lie lif lii lik lil lir lka lkl lkr lla llc lle llf lli llk lll llr lra lrc lrf lri lrk lrr ra- raa rac rae raf rai rak ral rar rca rcc rce rcf rci rcl rcr re- rea rec ree ref rei rek rel rer rfa rfc rfe rff rfi rfk rfl rfr ria ric rie rif rii rik ril rir rkc rke rkf rkk rla rlc rle rlf rli rll rlr rra rrc rrf rri rrk rrl rrr