-al -er a-a a-c a-t aaa aac aad aae aal aap aar aas aat ac- aca acc acd ace acl acp acr acs act ad- ada adc add ade adl adp adr ads adt aea aec aed aee ael aep aer aes aet al- ala alc ald ale all alp alr als alt ap- apa apc apd ape apl app apr aps apt ar- ara arc ard are arl arp arr ars art as- asa asc asd ase asl asp asr ass ast at- ata atc atd ate atl atp atr ats att c-- caa cac cad cae cal cap car cas cat cca ccc ccd cce ccl ccp ccr ccs cct cda cdc cdd cde cdl cdp cdr cds cdt ce- cea cec ced cee cel cep cer ces cet cl- cla clc cld cle cll clp clr cls clt cpa cpc cpd cpe cpl cpp cpr cps cpt cra crc crd cre crl crp crr crs crt csa csc csd cse csl csp csr css cst cta ctc ctd cte ctl ctp ctr cts ctt daa dac dad dae dal dap dar das dat dca dcc dcd dce dcl dcp dcr dcs dct dda ddc ddd dde ddl ddp ddr dds ddt de- dea dec ded dee del dep der des det dl- dla dlc dld dle dll dlp dlr dls dlt dpa dpc dpd dpe dpl dpp dpr dps dpt dra drc drd dre drl drp drr drs drt dsa dsc dsd dse dsl dsp dsr dss dst dta dtc dtd dte dtl dtp dtr dts dtt eaa eac ead eae eal eap ear eas eat ec- eca ecc ecd ece ecl ecr ecs ect ed- eda edc edd ede edl edp edr eds edt eea eec eed eee eel eep eer ees eet ela elc eld ele ell elp elr els elt ep- epa epc epd epe epl epp epr eps ept era erc erd ere erl erp err ers ert es- esa esc esd ese esl esp esr ess est eta etc etd ete etl etp etr ets ett l-p la- laa lac lad lae lal lap lar las lat lca lcc lcd lce lcl lcp lcr lcs lct lda ldc ldd lde ldl ldp ldr lds ldt lea lec led lee lel lep ler les let lla llc lld lle lll llp llr lls llt lpa lpc lpd lpe lpl lpp lpr lps lpt lra lrc lrd lrp lrr lrs lrt lsa lsc lsd lse lsl lsp lsr lss lst lta ltc ltd lte ltl ltp ltr lts ltt p-p paa pac pad pae pal pap par pas pat pca pcc pcd pce pcl pcp pcr pcs pct pda pdc pdd pde pdl pdp pdr pds pdt pea pec ped pee pel pep per pes pet pla plc pld ple pll plp plr pls plt ppa ppc ppd ppe ppl ppp ppr pps ppt pra prc prd pre prl prp prr prs prt ps- psa psc psd pse psl psp psr pss pst pt- pta ptc ptd pte ptl ptp ptr pts ptt ra- raa rac rad rae ral rap rar ras rat rca rcc rcd rce rcl rcp rcr rcs rct rda rdc rdd rde rdl rdp rdr rds rdt re- rea rec red ree rel rep rer res ret rla rlc rld rle rll rlp rlr rls rlt rpa rpc rpd rpe rpl rpp rpr rps rpt rra rrc rrd rrl rrp rrr rrs rrt rsa rsc rsd rse rsl rsp rsr rss rst rta rtc rtd rte rtl rtp rtr rts rtt saa sac sad sae sal sap sar sas sat sca scc scd sce scl scp scr scs sct sda sdc sdd sde sdl sdp sdr sds sdt se- sea sec sed see sel sep ser ses set sla slc sld sle sll slp slr sls slt spa spc spd spe spl spp spr sps spt sr- sra src srd sre srl srp srr srs srt ss- ssa ssc ssd sse ssl ssp ssr sss sst sta stc std ste stl stp str sts stt taa tac tad tae tal tap tar tas tat tca tcc tcd tce tcl tcp tcr tcs tct tda tdc tdd tde tdl tdp tdr tds tdt te- tea tec ted tee tel tep ter tes tet tla tlc tld tle tll tlp tlr tls tlt tpa tpc tpd tpe tpl tpp tpr tps tpt tra trc trd tre trl trp trr trs trt tsa tsc tsd tse tsl tsp tsr tss tst tta ttc ttd tte ttl ttp ttr tts ttt