-al -er -ol a-a a-b a-c aaa aab aac aae aal aam aao aap aar ab- aba abb abc abe abl abm abo abp abr ac- aca acb acc ace acl acm aco acp acr aea aeb aec aee ael aem aeo aep aer al- ala alb alc ale all alm alo alp alr ama amb amc ame aml amm amo amp amr aoa aob aoc aoe aol aom aoo aop aor ap- apa apb apc ape apl apm apo app apr ar- ara arb arc are arl arm aro arp arr b-p baa bab bac bae bal bam bao bap bar bba bbb bbc bbe bbl bbm bbo bbp bbr bca bcb bcc bce bcl bcm bco bcp bcr be- bea beb bec bee bel bem beo bep ber bla blb blc ble bll blm blo blp blr bma bmb bmc bme bml bmm bmo bmp bmr boa bob boc boe bol bom boo bop bor bpa bpb bpc bpe bpl bpm bpo bpp bpr bra brb bre brl brm bro brp brr c-- caa cab cac cae cal cam cao cap car cba cbb cbc cbe cbl cbm cbo cbp cbr cca ccb ccc cce ccl ccm cco ccp ccr ce- cea ceb cec cee cel cem ceo cep cer cl- cla clb clc cle cll clm clo clp clr cma cmb cmc cme cml cmm cmo cmp cmr co- coa cob coc coe col com coo cop cor cpa cpb cpc cpe cpl cpm cpo cpp cpr cra crb crc cre crl crm cro crp crr eaa eab eac eae eal eam eao eap ear eba ebb ebc ebe ebl ebm ebo ebp ebr ec- eca ecb ecc ece ecl ecm eco ecr eea eeb eec eee eel eem eeo eep eer ela elb elc ele ell elm elo elp elr em- ema emb emc eme eml emm emo emp emr eo- eoa eob eoc eoe eol eom eoo eop eor ep- epa epb epc epe epl epm epo epp epr era erb erc ere erl erm ero erp err l-p la- laa lab lac lae lal lam lao lap lar lba lbb lbc lbe lbl lbm lbo lbp lbr lca lcb lcc lce lcl lcm lco lcp lcr lea leb lec lee lel lem leo lep ler lla llb llc lle lll llm llo llp llr lma lmb lmc lme lml lmm lmo lmp lmr loa lob loc loe lol lom loo lop lor lpa lpb lpc lpe lpl lpm lpo lpp lpr lra lrb lrc lrm lro lrp lrr m-o m-r maa mab mac mae mal mam mao map mar mba mbb mbc mbe mbl mbm mbo mbp mbr mc- mca mcb mcc mce mcl mcm mco mcp mcr mea meb mec mee mel mem meo mep mer mla mlb mlc mle mll mlm mlo mlp mlr mma mmb mmc mme mml mmm mmo mmp mmr moa mob moc moe mol mom moo mop mor mpa mpb mpc mpe mpl mpm mpo mpp mpr mra mrb mrc mre mrl mrm mro mrp mrr oaa oab oac oae oal oam oao oap oar ob- oba obb obc obe obl obm obo obp obr oc- oca ocb occ ocl ocm oco ocp ocr oea oeb oec oee oel oem oeo oep oer ola olb olc ole oll olm olo olp om- oma omb omc ome oml omm omo omp omr oo- ooa oob ooc ool oom ooo oop oor op- opa opb opc ope opl opm opo opp opr or- ora orb orc ore orl orm oro orp orr p-p paa pab pac pae pal pam pao pap par pba pbb pbc pbe pbl pbm pbo pbp pbr pca pcb pcc pce pcl pcm pco pcp pcr pea peb pec pee pel pem peo pep per pla plb plc ple pll plm plo plp plr pma pmb pmc pme pml pmm pmo pmp pmr poa pob poc poe pol pom poo pop por ppa ppb ppc ppe ppl ppm ppo ppp ppr pra prb prc pre prl prm pro prp prr ra- raa rab rac rae ral ram rao rap rar rba rbb rbc rbe rbl rbm rbo rbp rbr rca rcb rcc rce rcl rcm rco rcp rcr re- rea reb rec ree rel rem reo rep rer rla rlc rle rll rlm rlo rlp rlr rma rmb rmc rme rml rmm rmo rmp rmr roa rob roc roe rol rom roo rop ror rpa rpb rpc rpe rpl rpm rpo rpp rpr rra rrb rrc rrl rrm rrp rrr

a-be aaaa aaab aaac aaae aaal aaam aaap aaar aaba aabb aabc aabl aabm aabp aaca aacb aacc aace aacl aacm aaco aacp aacr aaea aaec aaem aaep aala aalc aale aall aalo aama aamb aamc aame aamo aamp aamr aaoe aaoo aapa aapc aapl aapm aapo aara aarc aare aarm aaro aarp abaa abab abac abae abal abam abap abar abb- abba abbb abbe abbo abbr abca abcb abcc abcl abcp abcr abec abee abel aber abla able ablo abma abmb abmc aboa abob abol aboo abor abpa abpc abpm abpp abpr abra abrc abro acaa acab acac acae acap acar acba acbl acca accc acce accm acco accp ace- acea acec acel acem acer acla aclc acle aclr acma acmc acme acmp acoa acoe acol acom acop acor acpa acpe acpm acpr acr- acra acrc acre acrm acro acrr aeac aeap aecb aecl aeer aela aelc aelp aeom aer- aera aerc aero al-p alaa alac alae alal alam alao alap alar alb- alba albc albe albm albo alca alcc alce alco alea alec alee alem aleo alep aler all- alla alle alll allo allr alma almc alme almo aloa aloc aloe alol alom aloo alop alor alpa alpe alpl alpo alro amaa amac amae amal amam amap amar amb- amba ambe ambo ambr amca amcc amco amec amee amel amer amla amm- amma amme ammo amob amoc amol amoo amor ampa ampc ampe ampl ampm ampo amra amrc amrl amro aoba aoca aoce aola