a-a a-b a-c aaa aab aac aad aae aak aap aas ab- aba abb abc abd abe abk abp abs ac- aca acb acc acd ace ack acp acs ad- ada adb adc add ade adk adp ads aea aeb aec aed aee aek aep aes aka akb akc akd ake akk akp aks ap- apa apb apc apd ape apk app aps as- asa asb asc asd ase ask asp ass b-p baa bab bac bad bae bak bap bas bba bbb bbc bbd bbe bbk bbp bbs bca bcb bcc bcd bce bck bcp bcs bda bdb bdc bdd bde bdk bdp bds be- bea beb bec bed bee bek bep bes bka bkb bkc bke bkk bkp bks bpa bpb bpc bpd bpe bpp bps bsa bsb bsc bsd bse bsk bsp bss c-- caa cab cac cad cae cak cap cas cba cbb cbc cbd cbe cbk cbp cbs cca ccb ccc ccd cce cck ccp ccs cda cdb cdc cdd cde cdk cdp cds ce- cea ceb cec ced cee cek cep ces cka ckb ckc ckd cks cpa cpb cpc cpd cpe cpk cpp cps csa csb csc csd cse csk csp css daa dab dac dad dae dak dap das dba dbb dbc dbd dbe dbk dbp dbs dca dcb dcc dcd dce dck dcp dcs dda ddb ddc ddd dde ddk ddp dds de- dea deb dec ded dee dek dep des dka dkb dkc dke dkk dkp dks dpa dpb dpc dpd dpe dpk dpp dps dsa dsb dsc dsd dse dsk dsp dss eaa eab eac ead eae eak eap eas eba ebb ebc ebd ebe ebk ebp ebs ec- eca ecb ecc ecd ece eck ecs ed- eda edb edc edd ede edk edp eds eea eeb eec eed eee eek eep ees eka ekb ekc ekd eke ekp eks ep- epa epb epc epd epe epp eps es- esa esb esc esd ese esk esp ess ka- kaa kab kac kad kae kak kap kas kba kbb kbc kbd kbe kbk kbp kbs kca kcb kcc kcd kce kck kcp kcs kda kdb kdc kde kdk kdp kds ke- kea keb kec ked kee kek kep kes kkb kkc kke kkk kkp kks kpa kpc kpd kpe kpk kpp kps ksa ksb ksc ksd kse ksk ksp kss p-p paa pab pac pad pae pak pap pas pba pbb pbc pbd pbe pbk pbp pbs pca pcb pcc pcd pce pck pcp pcs pda pdb pdc pdd pde pdk pdp pds pea peb pec ped pee pek pep pes pka pkb pkc pkd pke pkp pks ppa ppb ppc ppd ppe ppk ppp pps ps- psa psb psc psd pse psk psp pss saa sab sac sad sae sak sap sas sba sbb sbc sbd sbe sbk sbp sbs sca scb scc scd sce sck scp scs sda sdb sdc sdd sde sdk sdp sds se- sea seb sec sed see sek sep ses sk- ska skb skc skd ske skk skp sks spa spb spc spd spe spk spp sps ss- ssa ssb ssc ssd sse ssk ssp sss

-ase a-ak a-be aaaa aaab aaac aaad aaae aaap aaas aaba aabb aabc aabd aabp aaca aacb aacc aacd aace aack aacp aacs aada aadc aade aads aaea aaec aaep aaes aaka aake aapa aapc aaps aasa aasc aasd aase aass abaa abab abac abad abae abak abap abas abb- abba abbb abbe abbs abca abcb abcc abcd abcp abcs abda abec abed abee abes abpa abpc abpd abpp abps abs- absa absd abse absp abss acaa acab acac acad acae acap acas acba acca accc accd acce accp accs acda acdb acdc acde acdp acds ace- acea acec aced acek aces ackd acke acks acpa acpd acpe acps acsa acsc acsd acse acss adaa adab adac adad adae adak adap adas adba adbc adcc adcs adda addc addd adde adds adea adeb adee ades adp- adps adsa adss aeac aeap aeas aebs aecb aede aeka aesc aesd aess akaa akae akap akas akca aked akee akes akka aksa apac apak apap apas apba apbs apca apcb apcc apcd apcs apda apdd apds apea apec aped apep apes apke appa appc appd apps apsa apse apss asaa asab asac asad asae asak asap asas asba asc- asca ascb ascc asce ascp asda asde asds asea asec asee asek asep ases aska aske asks aspa aspc aspd aspe asps assa assc assd asse assk assp asss baaa baad baak baas baba babb babe babs bac- baca bacc bace back bacs bada badb badd bade bads baed baek baes bak- baka bake baks bapa bapc bape bapp baps basa basc base bask bass bbad bbas bbbb bbbs bbdd bbeb bcaa bcap bcas bcbc bcbp bcbs bcca bccc bccs bcda bcde bcds bcec bces bcpp bcps bcsa bcsc bcss bdbc bddc bdes bdpc bdsd bead beak beap beas beba bebb bebe beca beck becs beda bede beds beeb beed beek beep bees beka beke beks bes- besa bese besk bess bksp bpcp bpda bpea bpsa bsaa bsac bsap bsas bsbd bscp bscs bsea bseb bsec bsed bsee bses bspp bssc bssd bsse c-cd caaa caab caac caap caas caba cabe cabs cac- caca cacc cace cack cada cadc cadd cade cads caec caes caka cake capa capb capc capd cape capp caps casa casb casc casd case cask casp cass cbac cbbc cbbs cbca cbcc cbce cbcp cbcs cbdb cbdc cbds cbea cbec cbee cbka cbpc cbpp cbsa cbsc cbse ccaa ccab ccac ccad ccap ccas ccba ccbc ccca cccb cccc cccp cccs ccdc ccdp ccds cced ccee ccpa ccpe ccpp ccps ccsa ccsd ccsp ccss cd-e cdaa cdac cdad cdba cdcs cdda cddb cdec cdes cdps cdss ceac cead ceas ceba cebp cebs cec- ceca cece cecp cecs ceda cedd cede ceeb ceec cees ceke cepa cepc cepe cepp ceps cesa cesc cese cesp cess ckac ckbc ckbe ckck ckcs ckpc cksa cksb cpaa cpac cpad cpap cpas cpbc cpca