-al a-a a-b a-c aaa aab aac aae aaj aak aal aap ab- aba abb abc abe abj abk abl abp ac- aca acb acc ace acj ack acl acp aea aeb aec aee aej aek ael aep aja ajb ajc aje ajj ajk ajl ajp aka akb akc ake akj akk akl akp al- ala alb alc ale alj alk all alp ap- apa apb apc ape apj apk apl app b-p baa bab bac bae baj bak bal bap bba bbb bbc bbe bbk bbl bbp bca bcb bcc bce bcj bck bcl bcp be- bea beb bec bee bek bel bep bja bjc bjj bjk bjp bka bkb bkc bke bkk bkl bkp bla blb blc ble blj blk bll blp bpa bpb bpc bpe bpl bpp c-- c-j caa cab cac cae caj cak cal cap cba cbb cbc cbe cbj cbk cbl cbp cca ccb ccc cce ccj cck ccl ccp ce- cea ceb cec cee cej cek cel cep cja cjb cjc cjk cjp cka ckb ckc cl- cla clb clc cle clj clk cll clp cpa cpb cpc cpe cpj cpk cpl cpp eaa eab eac eae eaj eak eal eap eba ebb ebc ebe ebj ebk ebl ebp ec- eca ecb ecc ece ecj eck ecl eea eeb eec eee eek eel eep eja ejc ejl ejp eka ekb ekc eke ekl ekp ela elb elc ele elk ell elp ep- epa epb epc epe epl epp jaa jab jac jae jaj jak jal jap jba jbc jbj jbk jbl jca jcb jcc jce jck jcl jcp jea jeb jec jee jej jek jel jep jja jjb jjc jjj jjk jjl jjp jka jkb jkk jkl jkp jla jlb jlc jle jll jlp jpa jpb jpc jpe jpj jpl jpp ka- kaa kab kac kae kaj kak kal kap kba kbb kbc kbe kbk kbl kbp kca kcb kcc kce kck kcl kcp ke- kea keb kec kee kek kel kep kjb kjc kje kkb kkc kke kkk kkl kkp kl- kla klb klc kpa kpc kpe kpk kpl kpp l-p la- laa lab lac lae laj lak lal lap lba lbb lbc lbe lbj lbk lbl lbp lca lcb lcc lce lcj lck lcl lcp lea leb lec lee lej lek lel lep lje ljj ljp lka lkb lkl lkp lla llb llc lle llj llk lll llp lpa lpb lpc lpe lpk lpl lpp p-p paa pab pac pae paj pak pal pap pba pbb pbc pbe pbj pbk pbl pbp pca pcb pcc pce pcj pck pcl pcp pea peb pec pee pek pel pep pja pjc pjp pka pkb pkc pke pkl pkp pla plb plc ple plk pll plp ppa ppb ppc ppe ppj ppk ppl ppp