-al a-a a-b a-c aaa aab aac aae aah aak aal aap aas ab- aba abb abc abe abh abk abl abp abs ac- aca acb acc ace ach ack acl acp acs aea aeb aec aee aeh aek ael aep aes aha ahb ahc ahe ahh ahk ahl ahp ahs aka akb akc ake akh akk akl akp aks al- ala alb alc ale alh alk all alp als ap- apa apb apc ape aph apk apl app aps as- asa asb asc ase ash ask asl asp ass b-p baa bab bac bae bah bak bal bap bas bba bbb bbc bbe bbh bbk bbl bbp bbs bca bcb bcc bce bch bck bcl bcp bcs be- bea beb bec bee beh bek bel bep bes bha bhb bhc bhe bhh bhk bhl bhp bhs bka bkb bkc bke bkk bkl bkp bks bla blb blc ble blh blk bll blp bls bpa bpb bpc bpe bph bpl bpp bps bsa bsb bsc bse bsh bsk bsl bsp bss c-- caa cab cac cae cah cak cal cap cas cba cbb cbc cbe cbh cbk cbl cbp cbs cca ccb ccc cce cch cck ccl ccp ccs ce- cea ceb cec cee ceh cek cel cep ces ch- cha chb chc che chh chk chl chp chs cka ckb ckc ckh cks cl- cla clb clc cle clh clk cll clp cls cpa cpb cpc cpe cph cpk cpl cpp cps csa csb csc cse csh csk csl csp css eaa eab eac eae eah eak eal eap eas eba ebb ebc ebe ebh ebk ebl ebp ebs ec- eca ecb ecc ece ech eck ecl ecs eea eeb eec eee eek eel eep ees eha ehb ehc ehe ehh ehl ehp ehs eka ekb ekc eke ekh ekl ekp eks ela elb elc ele elh elk ell elp els ep- epa epb epc epe eph epl epp eps es- esa esb esc ese esh esk esl esp ess haa hab hac hae hah hak hal hap has hba hbb hbc hbe hbh hbk hbl hbp hbs hca hcb hcc hce hch hck hcl hcp hcs he- hea heb hec hee heh hek hel hep hes hha hhb hhc hhe hhh hhk hhl hhp hhs hka hkb hkh hkk hkl hkp hks hla hlb hlc hle hlh hll hlp hls hpa hpb hpc hpe hph hpk hpl hpp hps hsa hsb hsc hse hsh hsk hsl hsp hss ka- kaa kab kac kae kah kak kal kap kas kba kbb kbc kbe kbh kbk kbl kbp kbs kca kcb kcc kce kch kck kcl kcp kcs ke- kea keb kec kee keh kek kel kep kes kha khe khh khk khs kkb kkc kke kkh kkk kkl kkp kks kl- kla klb klc klh kls kpa kpc kpe kph kpk kpl kpp kps ksa ksb ksc kse ksh ksk ksl ksp kss l-p la- laa lab lac lae lah lak lal lap las lba lbb lbc lbe lbh lbk lbl lbp lbs lca lcb lcc lce lch lck lcl lcp lcs lea leb lec lee leh lek lel lep les lha lhb lhc lhh lhk lhp lhs lka lkb lkh lkl lkp lks lla llb llc lle llk lll llp lls lpa lpb lpc lpe lph lpk lpl lpp lps lsa lsb lsc lse lsh lsk lsl lsp lss p-p paa pab pac pae pah pak pal pap pas pba pbb pbc pbe pbk pbl pbp pbs pca pcb pcc pce pch pck pcl pcp pcs pea peb pec pee peh pek pel pep pes pha phb phc phe phk phl php phs pka pkb pkc pke pkl pkp pks pla plb plc ple plh plk pll plp pls ppa ppb ppc ppe pph ppk ppl ppp pps ps- psa psb psc pse psh psk psl psp pss saa sab sac sae sah sak sal sap sas sba sbb sbc sbe sbh sbk sbl sbp sbs sca scb scc sce sch sck scl scp scs se- sea seb sec see seh sek sel sep ses sh- sha shb shc she shh shk shl shp shs sk- ska skb skc ske skh skk skl skp sks sla slb slc sle slh slk sll slp sls spa spb spc spe sph spk spl spp sps ss- ssa ssb ssc sse ssh ssk ssl ssp sss