-al a-a a-b a-c aaa aab aac aae aah aal aam aap aas ab- aba abb abc abe abh abl abm abp abs ac- aca acb acc ace ach acl acm acp acs aea aeb aec aee aeh ael aem aep aes aha ahb ahc ahe ahh ahl ahm ahp ahs al- ala alb alc ale alh all alm alp als ama amb amc ame amh aml amm amp ams ap- apa apb apc ape aph apl apm app aps as- asa asb asc ase ash asl asm asp ass b-p baa bab bac bae bah bal bam bap bas bba bbb bbc bbe bbh bbl bbm bbp bbs bca bcb bcc bce bch bcl bcm bcp bcs be- bea beb bec bee beh bel bem bep bes bha bhb bhc bhe bhh bhl bhm bhp bhs bla blb blc ble blh bll blm blp bls bma bmb bmc bme bmh bml bmm bmp bms bpa bpb bpc bpe bph bpl bpm bpp bps bsa bsb bsc bse bsh bsl bsm bsp bss c-- caa cab cac cae cah cal cam cap cas cba cbb cbc cbe cbh cbl cbm cbp cbs cca ccb ccc cce cch ccl ccm ccp ccs ce- cea ceb cec cee ceh cel cem cep ces ch- cha chb chc che chh chl chm chp chs cl- cla clb clc cle clh cll clm clp cls cma cmb cmc cme cmh cml cmm cmp cms cpa cpb cpc cpe cph cpl cpm cpp cps csa csb csc cse csh csl csm csp css eaa eab eac eae eah eal eam eap eas eba ebb ebc ebe ebh ebl ebm ebp ebs ec- eca ecb ecc ece ech ecl ecm ecs eea eeb eec eee eel eem eep ees eha ehb ehc ehe ehh ehl ehm ehp ehs ela elb elc ele elh ell elm elp els em- ema emb emc eme emh eml emm emp ems ep- epa epb epc epe eph epl epm epp eps es- esa esb esc ese esh esl esm esp ess haa hab hac hae hah hal ham hap has hba hbb hbc hbe hbh hbl hbm hbp hbs hca hcb hcc hce hch hcl hcm hcp hcs he- hea heb hec hee heh hel hem hep hes hha hhb hhc hhe hhh hhl hhm hhp hhs hla hlb hlc hle hlh hll hlm hlp hls hma hmb hmc hme hmh hml hmm hmp hms hpa hpb hpc hpe hph hpl hpm hpp hps hsa hsb hsc hse hsh hsl hsm hsp hss l-p la- laa lab lac lae lah lal lam lap las lba lbb lbc lbe lbh lbl lbm lbp lbs lca lcb lcc lce lch lcl lcm lcp lcs lea leb lec lee leh lel lem lep les lha lhb lhc lhh lhp lhs lla llb llc lle lll llm llp lls lma lmb lmc lme lmh lml lmm lmp lms lpa lpb lpc lpe lph lpl lpm lpp lps lsa lsb lsc lse lsh lsl lsm lsp lss maa mab mac mae mah mal mam map mas mba mbb mbc mbe mbh mbl mbm mbp mbs mc- mca mcb mcc mce mch mcl mcm mcp mcs mea meb mec mee meh mel mem mep mes mha mhc mhh mhl mhm mhp mhs mla mlb mlc mle mlh mll mlm mlp mls mma mmb mmc mme mmh mml mmm mmp mms mpa mpb mpc mpe mph mpl mpm mpp mps msa msb msc mse msh msl msm msp mss p-p paa pab pac pae pah pal pam pap pas pba pbb pbc pbe pbl pbm pbp pbs pca pcb pcc pce pch pcl pcm pcp pcs pea peb pec pee peh pel pem pep pes pha phb phc phe phl phm php phs pla plb plc ple plh pll plm plp pls pma pmb pmc pme pmh pml pmm pmp pms ppa ppb ppc ppe pph ppl ppm ppp pps ps- psa psb psc pse psh psl psm psp pss saa sab sac sae sah sal sam sap sas sba sbb sbc sbe sbh sbl sbm sbp sbs sca scb scc sce sch scl scm scp scs se- sea seb sec see seh sel sem sep ses sh- sha shb shc she shh shl shm shp shs sla slb slc sle slh sll slm slp sls sma smb smc sme smh sml smm smp sms spa spb spc spe sph spl spm spp sps ss- ssa ssb ssc sse ssh ssl ssm ssp sss