-al a-a a-c aaa aac aad aae aah aal aap ac- aca acc acd ace ach acl acp ad- ada adc add ade adh adl adp aea aec aed aee aeh ael aep aha ahc ahd ahe ahh ahl ahp al- ala alc ald ale alh all alp ap- apa apc apd ape aph apl app c-- caa cac cad cae cah cal cap cca ccc ccd cce cch ccl ccp cda cdc cdd cde cdh cdl cdp ce- cea cec ced cee ceh cel cep ch- cha chc chd che chh chl chp cl- cla clc cld cle clh cll clp cpa cpc cpd cpe cph cpl cpp daa dac dad dae dah dal dap dca dcc dcd dce dcl dcp dda ddc ddd dde ddh ddl ddp de- dea dec ded dee deh del dep dh- dha dhc dhd dhe dhh dhl dhp dl- dla dlc dld dle dlh dll dlp dpa dpc dpd dpe dph dpl dpp eaa eac ead eae eah eal eap ec- eca ecc ecd ece ech ecl ed- eda edc edd ede edh edl edp eea eec eed eee eel eep eha ehc ehd ehe ehh ehl ehp ela elc eld ele elh ell elp ep- epa epc epd epe eph epl epp haa hac had hae hah hal hap hca hcc hcd hce hch hcl hcp hda hdc hdd hde hdh hdl hdp he- hea hec hed hee heh hel hep hha hhc hhd hhe hhh hhl hhp hla hlc hld hle hlh hll hlp hpa hpc hpd hpe hph hpl hpp l-p la- laa lac lad lae lah lal lap lca lcc lcd lce lch lcl lcp lda ldc ldd lde ldh ldl ldp lea lec led lee leh lel lep lha lhc lhd lhh lhp lla llc lld lle lll llp lpa lpc lpd lpe lph lpl lpp p-p paa pac pad pae pah pal pap pca pcc pcd pce pch pcl pcp pda pdc pdd pde pdh pdl pdp pea pec ped pee peh pel pep pha phc phd phe phl php pla plc pld ple plh pll plp ppa ppc ppd ppe pph ppl ppp