-al a-a a-b a-c aaa aab aac aae aak aal aap ab- aba abb abc abe abk abl abp ac- aca acb acc ace ack acl acp aea aeb aec aee aek ael aep aka akb akc ake akk akl akp al- ala alb alc ale alk all alp ap- apa apb apc ape apk apl app b-p baa bab bac bae bak bal bap bba bbb bbc bbe bbk bbl bbp bca bcb bcc bce bck bcl bcp be- bea beb bec bee bek bel bep bka bkb bkc bke bkk bkl bkp bla blb blc ble blk bll blp bpa bpb bpc bpe bpl bpp c-- caa cab cac cae cak cal cap cba cbb cbc cbe cbk cbl cbp cca ccb ccc cce cck ccl ccp ce- cea ceb cec cee cek cel cep cka ckb ckc cl- cla clb clc cle clk cll clp cpa cpb cpc cpe cpk cpl cpp eaa eab eac eae eak eal eap eba ebb ebc ebe ebk ebl ebp ec- eca ecb ecc ece eck ecl eea eeb eec eee eek eel eep eka ekb ekc eke ekl ekp ela elb elc ele elk ell elp ep- epa epb epc epe epl epp ka- kaa kab kac kae 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 kkb kkc kke kkk kkl kkp kl- kla klb klc kpa kpc kpe kpk kpl kpp l-p la- laa lab lac lae lak lal lap lba lbb lbc lbe lbk lbl lbp lca lcb lcc lce lck lcl lcp lea leb lec lee lek lel lep lka lkb lkl lkp lla llb llc lle llk lll llp lpa lpb lpc lpe lpk lpl lpp p-p paa pab pac pae pak pal pap pba pbb pbc pbe pbk pbl pbp pca pcb pcc pce pck pcl pcp pea peb pec pee pek pel pep pka pkb pkc pke pkl pkp pla plb plc ple plk pll plp ppa ppb ppc ppe ppk ppl ppp

a-ak a-be aaaa aaab aaac aaae aaal aaap aaba aabb aabc aabl aabp aaca aacb aacc aace aack aacl aacp aaea aaec aaep aaka aake aala aalc aale aall aapa aapc aapl abaa abab abac abae abak abal abap abb- abba abbb abbe abca abcb abcc abcl abcp abec abee abel abla able abpa abpc abpp acaa acab acac acae acap acba acbl acca accc acce accp ace- acea acec acek acel acke acla aclc acle acpa acpe aeac aeap aecb aecl aeka aela aelc aelp akaa akae akal akap akca akee akel akka akle al-p alaa alac alae alak alal alap alb- alba albc albe alca alcc alce alea alec alee alek alep alk- alka alkb alke all- alla alle alll alpa alpe alpl apac apak apal apap apba apca apcb apcc apea apec apel apep apke apl- apla aple aplp appa appc appl baaa baak baal baba babb babe bac- baca bacc bace back baek bael bak- baka bake bakl bala balc bale balk ball bapa bapc bape bapp bbbb bbeb bblb bcaa bcap bcbc bcbp bcca bccc bccl bcec bcpl bcpp beak beal beap beba bebb bebe beca beck beeb beek beel beep beka beke bela bele belk bell belp blaa blab blac blae blak blea bleb blee blek blkb bpcp bpea bpel caaa caab caac caal caap caba cabe cac- caca cacc cace cack caec caka cake cala calc cale calk call calp capa capb capc cape capp cbac cbal cbbc cbca cbcc cbce cbcl cbcp cbea cbec cbee cbka cbkl cblb cblc cbpc cbpp ccaa ccab ccac ccap ccba ccbc ccca cccb cccc cccl cccp ccee ccel ccla cclc ccpa ccpe ccpl ccpp ceac ceal ceba cebp cec- ceca cece cecp ceeb ceec ceel ceke cel- cela celc cele cell cepa cepc cepe cepp ckac ckbc ckbe ckck ckcl ckpc clab clap clea clec clee clek clep clpb clpp cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cplc cppa e-cl e-la eaba eaca eacc eaec eala ealc eale eapc eapp ebac ebal ebba ebbc ebcc ebel ebla ecaa ecac ecal ecbc ecbe ecca eccb eccc ecce eccl ecka ecla ecpa ecpp eeca eeea eeee eeka eeke eele eka- ekab ekeb ekek ekka ekpe el-b el-p elab elac elal elba elbe elca elcb elce elea elec elee elek elka elke ella elle elpe epaa epac epcc epec epee eple epll eppa eppc eppp kaaa kaab kaak kaal kaap kaba kabb kabc kabe kacb kacc kace kacl kacp kael kaep kaka kakc kake kakk kala kalb kalc kale kalk kall kalp kap- kapa kapc kape kapl kapp kbaa kbab kbac kbae kbak kbal kbap kbba kbbb kbbc kbbe kbbk kbbl kbca kbcb kbce kbck kbcl kbeb kbec kbee kbek kbel kbkb kbkk kbkl kbla kblb kble kbll kblp kbpa kbpc kbpe kbpk kcaa kcab kcac kcal kcap kcba kcbc kcbk kcbl kcca kccb kccc kcck kccl kcea kceb kcec kcee kcel kcep kckc kckk kckl kcla kclc kcle kclk kcll kcpa kcpc kcpl kea- keak keal keap keba kebb kebc kebe keca keck keek keel keep keka kekb kekc keke kekl kela kele kelk kell kelp kep- kepa kepc kepe kkaa kkac kkal kkap kkba kkbb kkbe kkbl kkcb kkck kkcl kkea kkkk kklb kklc kkll kkpc kkpk kkpl klaa klab klac klak klal klap klbb klbc klbe klbl klca klcb klcc klce klck klcl klea kleb klec klee klek klep klka klkc klkk klkl klla kllb kllc klle kllk kllp klpc kpac kpae kpak kpal kpba kpbb kpbe kpbl kpcc kpcl kpek kpel kpke kpkk kpkl kpla kplc kplk kppc kppk kppl kppp laaa laac laak laal laap laba labe laca lacc lace lack lacl lacp lael laka lake lala lale lall lapa lapb lapc lape lapp lbcc lcac lcbc lcca lccc lcce lcpa lcpc lcpl leaa leak leal leap leba leca lece leck leea leek leel leep leka leke lekk lela lele lell lepa lepe lepp lkab lkal