-al a-a a-b a-c aaa aab aac aae aah aal aan aap aas ab- aba abb abc abe abh abl abn abp abs ac- aca acb acc ace ach acl acn acp acs aea aeb aec aee aeh ael aen aep aes aha ahb ahc ahe ahh ahl ahn ahp ahs al- ala alb alc ale alh all aln alp als an- ana anb anc ane anh anl ann anp ans ap- apa apb apc ape aph apl apn app aps as- asa asb asc ase ash asl asn asp ass b-p baa bab bac bae bah bal ban bap bas bba bbb bbc bbe bbh bbl bbn bbp bbs bca bcb bcc bce bch bcl bcn bcp bcs be- bea beb bec bee beh bel ben bep bes bha bhb bhc bhe bhh bhl bhp bhs bla blb blc ble blh bll bln blp bls bna bnb bnc bne bnl bnn bnp bns bpa bpb bpc bpe bph bpl bpn bpp bps bsa bsb bsc bse bsh bsl bsn bsp bss c-- caa cab cac cae cah cal can cap cas cba cbb cbc cbe cbh cbl cbn cbp cbs cca ccb ccc cce cch ccl ccn ccp ccs ce- cea ceb cec cee ceh cel cen cep ces ch- cha chb chc che chh chl chn chp chs cl- cla clb clc cle clh cll cln clp cls cn- cna cnb cnc cne cnh cnl cnn cnp cns cpa cpb cpc cpe cph cpl cpn cpp cps csa csb csc cse csh csl csn csp css eaa eab eac eae eah eal ean eap eas eba ebb ebc ebe ebh ebl ebn ebp ebs ec- eca ecb ecc ece ech ecl ecn ecs eea eeb eec eee eel een eep ees eha ehb ehc ehe ehh ehl ehn ehp ehs ela elb elc ele elh ell eln elp els en- ena enb enc ene enh enl enn enp ens ep- epa epb epc epe eph epl epn epp eps es- esa esb esc ese esh esl esn esp ess haa hab hac hae hah hal han hap has hba hbb hbc hbe hbh hbl hbn hbp hbs hca hcb hcc hce hch hcl hcn hcp hcs he- hea heb hec hee heh hel hen hep hes hha hhb hhc hhe hhh hhl hhn hhp hhs hla hlb hlc hle hlh hll hln hlp hls hna hnb hnc hne hnh hnl hnn hns hpa hpb hpc hpe hph hpl hpn hpp hps hsa hsb hsc hse hsh hsl hsn hsp hss l-p la- laa lab lac lae lah lal lan lap las lba lbb lbc lbe lbh lbl lbp lbs lca lcb lcc lce lch lcl lcn lcp lcs lea leb lec lee leh lel len lep les lha lhb lhc lhh lhp lhs lla llb llc lle lll lln llp lls lna lnb lnc lne lnh lnl lnn lnp lns lpa lpb lpc lpe lph lpl lpn lpp lps lsa lsb lsc lse lsh lsl lsn lsp lss naa nab nac nae nah nal nan nap nas nba nbb nbc nbe nbl nbn nbp nbs nca ncb ncc nce nch ncl ncn ncp ncs ne- nea neb nec nee neh nel nen nep nes nha nhb nhc nhe nhh nhl nhn nhp nhs nla nlb nlc nle nlh nll nln nlp nls nna nnb nnc nne nnh nnl nnn nnp nns npa npb npc npe nph npl npn npp nps nsa nsb nsc nse nsh nsl nsn nsp nss p-p paa pab pac pae pah pal pan pap pas pba pbb pbc pbe pbl pbn pbp pbs pca pcb pcc pce pch pcl pcn pcp pcs pea peb pec pee peh pel pen pep pes pha phb phc phe phl phn php phs pla plb plc ple plh pll pln plp pls pn- pna pnb pnc pne pnh pnl pnn pnp pns ppa ppb ppc ppe pph ppl ppn ppp pps ps- psa psb psc pse psh psl psn psp pss saa sab sac sae sah sal san sap sas sba sbb sbc sbe sbh sbl sbn sbp sbs sca scb scc sce sch scl scn scp scs se- sea seb sec see seh sel sen sep ses sh- sha shb shc she shh shl shn shp shs sla slb slc sle slh sll sln slp sls sna snb snc sne snl snn snp sns spa spb spc spe sph spl spn spp sps ss- ssa ssb ssc sse ssh ssl ssn ssp sss