-al -ol a-a a-b a-c aaa aab aac aae aal aao aap ab- aba abb abc abe abl abo abp ac- aca acb acc ace acl aco acp aea aeb aec aee ael aeo aep al- ala alb alc ale all alo alp aoa aob aoc aoe aol aoo aop ap- apa apb apc ape apl apo app b-p baa bab bac bae bal bao bap bba bbb bbc bbe bbl bbo bbp bca bcb bcc bce bcl bco bcp be- bea beb bec bee bel beo bep bla blb blc ble bll blo blp boa bob boc boe bol boo bop bpa bpb bpc bpe bpl bpo bpp c-- caa cab cac cae cal cao cap cba cbb cbc cbe cbl cbo cbp cca ccb ccc cce ccl cco ccp ce- cea ceb cec cee cel ceo cep cl- cla clb clc cle cll clo clp co- coa cob coc coe col coo cop cpa cpb cpc cpe cpl cpo cpp eaa eab eac eae eal eao eap eba ebb ebc ebe ebl ebo ebp ec- eca ecb ecc ece ecl eco eea eeb eec eee eel eeo eep ela elb elc ele ell elo elp eo- eoa eob eoc eoe eol eoo eop ep- epa epb epc epe epl epo epp l-p la- laa lab lac lae lal lao lap lba lbb lbc lbe lbl lbo lbp lca lcb lcc lce lcl lco lcp lea leb lec lee lel leo lep lla llb llc lle lll llo llp loa lob loc loe lol loo lop lpa lpb lpc lpe lpl lpo lpp oaa oab oac oae oal oao oap ob- oba obb obc obe obl obo obp oc- oca ocb occ ocl oco ocp oea oeb oec oee oel oeo oep ola olb olc ole oll olo olp oo- ooa oob ooc ool ooo oop op- opa opb opc ope opl opo opp p-p paa pab pac pae pal pao pap pba pbb pbc pbe pbl pbo pbp pca pcb pcc pce pcl pco pcp pea peb pec pee pel peo pep pla plb plc ple pll plo plp poa pob poc poe pol poo pop ppa ppb ppc ppe ppl ppo ppp

a-be aaaa aaab aaac aaae aaal aaap aaba aabb aabc aabl aabp aaca aacb aacc aace aacl aaco aacp aaea aaec aaep aala aalc aale aall aalo aaoe aaoo aapa aapc aapl aapo abaa abab abac abae abal abap abb- abba abbb abbe abbo abca abcb abcc abcl abcp abec abee abel abla able ablo aboa abob abol aboo abpa abpc abpp acaa acab acac acae acap acba acbl acca accc acce acco accp ace- acea acec acel acla aclc acle acoa acoe acol acop acpa acpe aeac aeap aecb aecl aela aelc aelp al-p alaa alac alae alal alao alap alb- alba albc albe albo alca alcc alce alco alea alec alee aleo alep all- alla alle alll allo aloa aloc aloe alol aloo alop alpa alpe alpl alpo aoba aoca aoce aola aole aopo apac apal apao apap apba apca apcb apcc apco apea apec apel apep apl- apla aple aplp apo- apoc apoe apoo apop appa appc appl baaa baal baba babb babe babo bac- baca bacc bace baco bael bala balc bale ball balo baol bapa bapc bape bapp bbbb bbeb bblb bcaa bcap bcbc bcbp bcca bccc bccl bcec bcpl bcpp beal beap beba bebb bebe bebo beca beeb beel beep bela bele bell belo belp beo- bepo blaa blab blac blae blea bleb blee bleo blob bloc bloo blop boab boac boal boba bobb bobe bobo boca boce boco boea boec boee boel boeo boep bola bole boll bolo boob booc booe bool boop bopa bope bopp bpcp bpea bpel bpoe c-bo caaa caab caac caal caap caba cabe cabo cac- caca cacc cace caco caec cala calc cale call calo calp caol capa capb capc cape capo capp cbac cbal cbbc cbca cbcc cbce cbcl cbcp cbea cbec cbee cblb cblc cbol cbpc cbpp ccaa ccab ccac ccap ccba ccbc ccca cccb cccc cccl cccp ccee ccel ccla cclc ccob ccoc ccpa ccpe ccpl ccpp ceac ceal ceba cebp cec- ceca cece ceco cecp ceeb ceec ceel cel- cela celc cele cell celo ceol ceop cepa cepc cepe cepo cepp clab clap clea clec clee cleo clep clob cloe cloo clop clpb clpp coal coba cobb cobe cobo coca coce coco cocp coel coep col- cola colb cole coll colo colp coob cool coop copa cope copo copp cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cplc cppa e-cl e-la eaba eaca eacc eaec eala ealc eale eaop eapc eapp ebac ebal ebba ebbc ebbo ebcc ebel ebla eboe ebol eboo ebpo ecaa ecac ecal ecao ecbc ecbe ecca eccb eccc ecce eccl ecco ecla eco- ecol ecop ecpa ecpp eeca eeea eeee eele eeoc el-b el-p elab elac elal elba elbe elbo elca elcb elce elco elea elec elee eleo ella elle ello elpe eola eole eolo epaa epac epcc epec epee eple epll epoc epol eppa eppc eppo eppp laaa laac laal laap laba labe labo laca lacc lace lacl laco lacp lael lala lale lall lalo lapa lapb lapc lape lapp lbcc lcac lcbc lcca lccc lcce lcpa lcpc lcpl leaa leal leao leap leba lebo leca lece leco leea leel leep lela lele lell lelo leoc lepa lepe lepo lepp llao llcc lllc llll lloa lloc lloo loac loap lob- loba lobb lobe lobo loca locc loce loco loeb lola lole loll lolo loob looc looe lool loop lopa lope lopp lpac lpec lpla lppl o-eo oall obal obba obbo obea obec obel obla oble oboe obol ocab ocac ocal ocap ocbc occa occc oce ocee oclc ocpa ocpp oec- oeca oecc oeec oela oele oepa olac olba olbo olca olcc ole- olea oleo olla olle ollo olpc olpe ooaa ooba oobe oola oolo oooo opal opap opca opec opel opep opla ople opo- oppa oppo paal paap paba paca pace paco paea