-al -er a-a a-c a-t aaa aac aad aae aal aap aar aat ac- aca acc acd ace acl acp acr act ad- ada adc add ade adl adp adr adt aea aec aed aee ael aep aer aet al- ala alc ald ale all alp alr alt ap- apa apc apd ape apl app apr apt ar- ara arc ard are arl arp arr art at- ata atc atd ate atl atp atr att c-- caa cac cad cae cal cap car cat cca ccc ccd cce ccl ccp ccr cct cda cdc cdd cde cdl cdp cdr cdt ce- cea cec ced cee cel cep cer cet cl- cla clc cld cle cll clp clr clt cpa cpc cpd cpe cpl cpp cpr cpt cra crc crd cre crl crp crr crt cta ctc ctd cte ctl ctp ctr ctt daa dac dad dae dal dap dar dat dca dcc dcd dce dcl dcp dcr dct dda ddc ddd dde ddl ddp ddr ddt de- dea dec ded dee del dep der det dl- dla dlc dld dle dll dlp dlr dlt dpa dpc dpd dpe dpl dpp dpr dpt dra drc drd dre drl drp drr drt dta dtc dtd dte dtl dtp dtr dtt eaa eac ead eae eal eap ear eat ec- eca ecc ecd ece ecl ecr ect ed- eda edc edd ede edl edp edr edt eea eec eed eee eel eep eer eet ela elc eld ele ell elp elr elt ep- epa epc epd epe epl epp epr ept era erc erd ere erl erp err ert eta etc etd ete etl etp etr ett l-p la- laa lac lad lae lal lap lar lat lca lcc lcd lce lcl lcp lcr lct lda ldc ldd lde ldl ldp ldr ldt lea lec led lee lel lep ler let lla llc lld lle lll llp llr llt lpa lpc lpd lpe lpl lpp lpr lpt lra lrc lrd lrp lrr lrt lta ltc ltd lte ltl ltp ltr ltt p-p paa pac pad pae pal pap par pat pca pcc pcd pce pcl pcp pcr pct pda pdc pdd pde pdl pdp pdr pdt pea pec ped pee pel pep per pet pla plc pld ple pll plp plr plt ppa ppc ppd ppe ppl ppp ppr ppt pra prc prd pre prl prp prr prt pt- pta ptc ptd pte ptl ptp ptr ptt ra- raa rac rad rae ral rap rar rat rca rcc rcd rce rcl rcp rcr rct rda rdc rdd rde rdl rdp rdr rdt re- rea rec red ree rel rep rer ret rla rlc rld rle rll rlp rlr rlt rpa rpc rpd rpe rpl rpp rpr rpt rra rrc rrd rrl rrp rrr rrt rta rtc rtd rte rtl rtp rtr rtt taa tac tad tae tal tap tar tat tca tcc tcd tce tcl tcp tcr tct tda tdc tdd tde tdl tdp tdr tdt te- tea tec ted tee tel tep ter tet tla tlc tld tle tll tlp tlr tlt tpa tpc tpd tpe tpl tpp tpr tpt tra trc trd tre trl trp trr trt tta ttc ttd tte ttl ttp ttr ttt