a-be aaaa aaab aaac aaae aaal aaam aaap aaba aabb aabc aabl aabm aabp aaca aacb aacc aace aacl aacm aacp aaea aaec aaem aaep aala aalc aale aall aama aamb aamc aame aamp aapa aapc aapl aapm abaa abab abac abae abal abam abap abb- abba abbb abbe abca abcb abcc abcl abcp abec abee abel abla able abma abmb abmc abpa abpc abpm abpp acaa acab acac acae acap acba acbl acca accc acce accm accp ace- acea acec acel acem acla aclc acle acma acmc acme acmp acpa acpe acpm aeac aeap aecb aecl aela aelc aelp al-p alaa alac alae alal alam alap alb- alba albc albe albm alca alcc alce alea alec alee alem alep all- alla alle alll alma almc alme alpa alpe alpl amaa amac amae amal amam amap amb- amba ambe amca amcc amec amee amel amla amm- amma amme ampa ampc ampe ampl ampm apac apal apam apap apba apca apcb apcc apcm apea apec apel apem apep apl- apla aple aplp apma appa appc appl baaa baal baam baba babb babe babm bac- baca bacc bace bael bala balc bale ball balm bama bamb bamc bame baml bamm bamp bapa bapc bape bapp bbbb bbcm bbeb bblb bcaa bcam bcap bcbc bcbp bcca bccc bccl bccm bcec bcma bcmp bcpl bcpp beal beam beap beba bebb bebe beca beeb beel beem beep bela bele bell belm belp bema beme blaa blab blac blae blam blea bleb blee blem blme bmaa bmce bmep bpcp bpea bpel bpmc bpml caaa caab caac caal caam caap caba cabe cac- caca cacc cace cacm caec caem cala calc cale call calm calp cama camb camc came caml camm camp capa capb capc cape capm capp cbac cbal cbbc cbca cbcc cbce cbcl cbcm cbcp cbea cbec cbee cblb cblc cbme cbpc cbpp ccaa ccab ccac ccam ccap ccba ccbc ccca cccb cccc cccl cccm cccp ccee ccel ccla cclc cclm ccma ccmb ccmc ccmm ccmp ccpa ccpe ccpl ccpm ccpp ceac ceal ceba cebp cec- ceca cece cecm cecp ceeb ceec ceel ceem cel- cela celc cele cell cema cemb ceme cemm cemp cepa cepc cepe cepp clab clam clap clea clec clee clem clep clpb clpp cmaa cmac cmap cmba cmbc cmcc cmea cmec cmla cmll cmmb cmmc cmml cmpa cmpc cmpl cmpp cpaa cpac cpam cpap cpbc cpca cpce cpcm cpea cpeb cpep cplc cpma cpme cpmp cppa cppm e-cl e-la eaba eaca eacc eaec eala ealc eale eama eame eapc eapp ebac ebal ebam ebba ebbc ebcc ebel ebla ecaa ecac ecal ecam ecbc ecbe ecca eccb eccc ecce eccl eccm ecem ecla ecma ecmp ecpa ecpm ecpp eeca eeea eeee eele el-b el-p elab elac elal elam elba elbe elca elcb elce elea elec elee elem ella elle elma elme elml elpe emac emae emam emba embe emcc emel emle emlm emma emme emml empa empc empe epaa epac epam epbm epcc epec epee eple epll eppa eppc eppp laaa laac laal laam laap laba labe laca lacc lace lacl lacp lael laem lala lale lall lalm lama lamb lame lamm lamp lapa lapb lapc lape lapp lbcc lbmc lcac lcbc lcca lccc lcce lccm lcpa lcpc lcpl lcpm leaa leal leam leap leba leca lece leea leel leem leep lela lele lell lema leme lemm lemp lepa lepe lepp llcc lllc llll lmcc lpac lpam lpec lpla lppl maaa maac maal maam maap maba mabe mac- maca macb macc mace macp maee mael maem mal- mala male mall malm malp mama mamc mame mamp mapa mape mapl mapp mbac mbam mbba mbca mcaa mcac mcap mcba mcbc mcca mccc mccl mcep mcla mcmc mcml mcpa mcpb mcpc mcpp meal meap mebe mec- meca mecc mece meel meem meep mel- mela melb melc mele mell mema memc meme meml mepe mlab mlba mlcc mlle mlpa mlpc mmaa mmab mmac mmap mmcc mmcl mmcm mmea mmlp mmmc mmmm mmpa mmpc mpaa mpac mpca mpcc mpec mpla mplc mplm mpmc mppc mppe mppp paal paap paba paca pace paea paec paep pala pale pall palm palp pam- pama pamb pame pamm pamp papa papb pape papp pbac pbcc pbpa pcaa pcae pcap pcba pcbc pcbm pcca pccc pcce pccl pcea pcem pcep pcll pcmb pcpb pcpm pcpp peab peac peal peap peba pebl peca pece pecl peec peel peep pel- pela pelb pele pell pelm pepa pepe plaa plab plac plap plcc plce ple- plea pleb plec plee plmb plpa plpp pmaa pmac pmcc pmcl pmel pmle pmma pmmp pmpm ppac ppal ppap ppcc ppcm pple ppml pppa pppp