-al -er a-a a-c aaa aac aad aae aak aal aap aar ac- aca acc acd ace ack acl acp acr ad- ada adc add ade adk adl adp adr aea aec aed aee aek ael aep aer aka akc akd ake akk akl akp akr al- ala alc ald ale alk all alp alr ap- apa apc apd ape apk apl app apr ar- ara arc ard are ark arl arp arr c-- caa cac cad cae cak cal cap car cca ccc ccd cce cck ccl ccp ccr cda cdc cdd cde cdk cdl cdp cdr ce- cea cec ced cee cek cel cep cer cka ckc ckd cl- cla clc cld cle clk cll clp clr cpa cpc cpd cpe cpk cpl cpp cpr cra crc crd cre crk crl crp crr daa dac dad dae dak dal dap dar dca dcc dcd dce dck dcl dcp dcr dda ddc ddd dde ddk ddl ddp ddr de- dea dec ded dee dek del dep der dka dkc dke dkk dkl dkp dkr dl- dla dlc dld dle dlk dll dlp dlr dpa dpc dpd dpe dpk dpl dpp dpr dra drc drd dre drk drl drp drr eaa eac ead eae eak eal eap ear ec- eca ecc ecd ece eck ecl ecr ed- eda edc edd ede edk edl edp edr eea eec eed eee eek eel eep eer eka ekc ekd eke ekl ekp ekr ela elc eld ele elk ell elp elr ep- epa epc epd epe epl epp epr era erc erd ere erk erl erp err ka- kaa kac kad kae kak kal kap kar kca kcc kcd kce kck kcl kcp kcr kda kdc kde kdk kdl kdp kdr ke- kea kec ked kee kek kel kep ker kkc kke kkk kkl kkp kkr kl- kla klc kld klr kpa kpc kpd kpe kpk kpl kpp kpr kra krc krd krk krl krp krr l-p la- laa lac lad lae lak lal lap lar lca lcc lcd lce lck lcl lcp lcr lda ldc ldd lde ldk ldl ldp ldr lea lec led lee lek lel lep ler lka lkl lkp lkr lla llc lld lle llk lll llp llr lpa lpc lpd lpe lpk lpl lpp lpr lra lrc lrd lrk lrp lrr p-p paa pac pad pae pak pal pap par pca pcc pcd pce pck pcl pcp pcr pda pdc pdd pde pdk pdl pdp pdr pea pec ped pee pek pel pep per pka pkc pkd pke pkl pkp pkr pla plc pld ple plk pll plp plr ppa ppc ppd ppe ppk ppl ppp ppr pra prc prd pre prk prl prp prr ra- raa rac rad rae rak ral rap rar rca rcc rcd rce rcl rcp rcr rda rdc rdd rde rdl rdp rdr re- rea rec red ree rek rel rep rer rkc rke rkk rkp rla rlc rld rle rll rlp rlr rpa rpc rpd rpe rpk rpl rpp rpr rra rrc rrd rrk rrl rrp rrr