-al -er -ic a-a a-c a-i aaa aac aad aae aaf aai aak aal aar ac- aca acc acd ace acf aci ack acl acr ad- ada adc add ade adf adi adk adl adr aea aec aed aee aef aei aek ael aer af- afa afc afd afe aff afi afk afl afr ai- aia aic aid aie aif aii aik ail air aka akc akd ake aki akk akl akr al- ala alc ald ale alf ali alk all alr ar- ara arc ard are arf ari ark arl arr c-- caa cac cad cae caf cai cak cal car cca ccc ccd cce ccf cci cck ccl ccr cda cdc cdd cde cdf cdi cdk cdl cdr ce- cea cec ced cee cef cei cek cel cer cfa cfc cfd cfe cff cfi cfk cfl cfr ci- cia cic cid cie cif cii cik cil cir cka ckc ckd cki cl- cla clc cld cle clf cli clk cll clr cra crc crd cre crf cri crk crl crr daa dac dad dae daf dai dak dal dar dca dcc dcd dce dcf dci dck dcl dcr dda ddc ddd dde ddf ddi ddk ddl ddr de- dea dec ded dee def dei dek del der dfa dfc dfd dfe dff dfi dfk dfl dfr di- dia dic did die dif dii dik dil dir dka dkc dke dki dkk dkl dkr dl- dla dlc dld dle dlf dli dlk dll dlr dra drc drd dre dri drk drl drr eaa eac ead eae eaf eai eak eal ear ec- eca ecc ecd ece ecf eci eck ecl ecr ed- eda edc edd ede edf edi edk edl edr eea eec eed eee eef eek eel eer ef- efa efc efd efe eff efi efl efr eia eic eid eie eif eii eik eil eir eka ekc ekd eke ekf eki ekl ekr ela elc eld ele elf eli elk ell elr era erc erd ere erf eri erk erl err faa fac fad fae faf fai fak fal far fca fcc fcd fce fcf fci fck fcl fcr fda fdc fdd fde fdf fdi fdk fdl fdr fea fec fed fee fef fei fek fel fer ffa ffc ffd ffe fff ffi ffk ffl ffr fia fic fid fie fif fii fik fil fir fka fkc fkf fki fkk fkl fla flc fld fle flf fli fll flr fra frc frd fre frf fri frk frl frr i-d i-f ia- iaa iac iad iae iaf iai ial iar ica icc icd ice icf ici ick icl icr ida idc idd ide idf idi idk idl idr ie- iea iec ied iee ief iei iek iel ier ifa ifc ifd ife iff ifi ifl ifr iia iic iid iie iif iii iil iir ika ikc ike ikf iki ikk ikl ikr il- ila ilc ild ile ilf ili ilk ill ilr ir- ira irc ird ire irf iri irk irl irr ka- kaa kac kad kae kaf kai kak kal kar kca kcc kcd kce kci kck kcl kcr kda kdc kde kdf kdk kdl kdr ke- kea kec ked kee kef kei kek kel ker kfa kfc kfd kff kfi kia kic kid kie kif kii kik kil kir kkc kke kki kkk kkl kkr kl- kla klc kld klf kli klr kra krc krd krf kri krk krl krr la- laa lac lad lae laf lai lak lal lar lca lcc lcd lce lcf lci lck lcl lcr lda ldc ldd lde ldf ldi ldk ldl ldr lea lec led lee lef lei lek lel ler lfa lfc lfd lfe lff lfi lfk lfl lfr lia lic lid lie lif lii lik lil lir lka lkl lkr lla llc lld lle llf lli llk lll llr lra lrc lrd lrf lri lrk lrr ra- raa rac rad rae raf rai rak ral rar rca rcc rcd rce rcf rci rcl rcr rda rdc rdd rde rdf rdi rdl rdr re- rea rec red ree ref rei rek rel rer rfa rfc rfd rfe rff rfi rfk rfl rfr ria ric rid rie rif rii rik ril rir rkc rke rkf rkk rla rlc rld rle rlf rli rll rlr rra rrc rrd rrf rri rrk rrl rrr