-al a-a a-b a-c aaa aab aac aae aah aal aap ab- aba abb abc abe abh abl abp ac- aca acb acc ace ach acl acp aea aeb aec aee aeh ael aep aha ahb ahc ahe ahh ahl ahp al- ala alb alc ale alh all alp ap- apa apb apc ape aph apl app b-p baa bab bac bae bah bal bap bba bbb bbc bbe bbh bbl bbp bca bcb bcc bce bch bcl bcp be- bea beb bec bee beh bel bep bha bhb bhc bhe bhh bhl bhp bla blb blc ble blh bll blp bpa bpb bpc bpe bph bpl bpp c-- caa cab cac cae cah cal cap cba cbb cbc cbe cbh cbl cbp cca ccb ccc cce cch ccl ccp ce- cea ceb cec cee ceh cel cep ch- cha chb chc che chh chl chp cl- cla clb clc cle clh cll clp cpa cpb cpc cpe cph cpl cpp eaa eab eac eae eah eal eap eba ebb ebc ebe ebh ebl ebp ec- eca ecb ecc ece ech ecl eea eeb eec eee eel eep eha ehb ehc ehe ehh ehl ehp ela elb elc ele elh ell elp ep- epa epb epc epe eph epl epp haa hab hac hae hah hal hap hba hbb hbc hbe hbh hbl hbp hca hcb hcc hce hch hcl hcp he- hea heb hec hee heh hel hep hha hhb hhc hhe hhh hhl hhp hla hlb hlc hle hlh hll hlp hpa hpb hpc hpe hph hpl hpp l-p la- laa lab lac lae lah lal lap lba lbb lbc lbe lbh lbl lbp lca lcb lcc lce lch lcl lcp lea leb lec lee leh lel lep lha lhb lhc lhh lhp lla llb llc lle lll llp lpa lpb lpc lpe lph lpl lpp p-p paa pab pac pae pah pal pap pba pbb pbc pbe pbl pbp pca pcb pcc pce pch pcl pcp pea peb pec pee peh pel pep pha phb phc phe phl php pla plb plc ple plh pll plp ppa ppb ppc ppe pph ppl ppp