-al -er a-a a-c aaa aac aad aae aal aar ac- aca acc acd ace acl acr ad- ada adc add ade adl adr aea aec aed aee ael aer al- ala alc ald ale all alr ar- ara arc ard are arl arr c-- caa cac cad cae cal car cca ccc ccd cce ccl ccr cda cdc cdd cde cdl cdr ce- cea cec ced cee cel cer cl- cla clc cld cle cll clr cra crc crd cre crl crr daa dac dad dae dal dar dca dcc dcd dce dcl dcr dda ddc ddd dde ddl ddr de- dea dec ded dee del der dl- dla dlc dld dle dll dlr dra drc drd dre drl drr eaa eac ead eae eal ear ec- eca ecc ecd ece ecl ecr ed- eda edc edd ede edl edr eea eec eed eee eel eer ela elc eld ele ell elr era erc erd ere erl err la- laa lac lad lae lal lar lca lcc lcd lce lcl lcr lda ldc ldd lde ldl ldr lea lec led lee lel ler lla llc lld lle lll llr lra lrc lrd lrr ra- raa rac rad rae ral rar rca rcc rcd rce rcl rcr rda rdc rdd rde rdl rdr re- rea rec red ree rel rer rla rlc rld rle rll rlr rra rrc rrd rrl rrr