-al -ol a-a a-b a-c aaa aab aac aal aam aao aap aar ab- aba abb abc abl abm abo abp abr ac- aca acb acc acl acm aco acp acr al- ala alb alc all alm alo alp alr ama amb amc aml amm amo amp amr aoa aob aoc aol aom aoo aop aor ap- apa apb apc apl apm apo app apr ar- ara arb arc arl arm aro arp arr b-p baa bab bac bal bam bao bap bar bba bbb bbc bbl bbm bbo bbp bbr bca bcb bcc bcl bcm bco bcp bcr bla blb blc bll blm blo blp blr bma bmb bmc bml bmm bmo bmp bmr boa bob boc bol bom boo bop bor bpa bpb bpc bpl bpm bpo bpp bpr bra brb brl brm bro brp brr c-- caa cab cac cal cam cao cap car cba cbb cbc cbl cbm cbo cbp cbr cca ccb ccc ccl ccm cco ccp ccr cl- cla clb clc cll clm clo clp clr cma cmb cmc cml cmm cmo cmp cmr co- coa cob coc col com coo cop cor cpa cpb cpc cpl cpm cpo cpp cpr cra crb crc crl crm cro crp crr l-p la- laa lab lac lal lam lao lap lar lba lbb lbc lbl lbm lbo lbp lbr lca lcb lcc lcl lcm lco lcp lcr lla llb llc lll llm llo llp llr lma lmb lmc lml lmm lmo lmp lmr loa lob loc lol lom loo lop lor lpa lpb lpc lpl lpm lpo lpp lpr lra lrb lrc lrm lro lrp lrr m-o m-r maa mab mac mal mam mao map mar mba mbb mbc mbl mbm mbo mbp mbr mc- mca mcb mcc mcl mcm mco mcp mcr mla mlb mlc mll mlm mlo mlp mlr mma mmb mmc mml mmm mmo mmp mmr moa mob moc mol mom moo mop mor mpa mpb mpc mpl mpm mpo mpp mpr mra mrb mrc mrl mrm mro mrp mrr oaa oab oac oal oam oao oap oar ob- oba obb obc obl obm obo obp obr oc- oca ocb occ ocl ocm oco ocp ocr ola olb olc oll olm olo olp om- oma omb omc oml omm omo omp omr oo- ooa oob ooc ool oom ooo oop oor op- opa opb opc opl opm opo opp opr or- ora orb orc orl orm oro orp orr p-p paa pab pac pal pam pao pap par pba pbb pbc pbl pbm pbo pbp pbr pca pcb pcc pcl pcm pco pcp pcr pla plb plc pll plm plo plp plr pma pmb pmc pml pmm pmo pmp pmr poa pob poc pol pom poo pop por ppa ppb ppc ppl ppm ppo ppp ppr pra prb prc prl prm pro prp prr ra- raa rab rac ral ram rao rap rar rba rbb rbc rbl rbm rbo rbp rbr rca rcb rcc rcl rcm rco rcp rcr rla rlc rll rlm rlo rlp rlr rma rmb rmc rml rmm rmo rmp rmr roa rob roc rol rom roo rop ror rpa rpb rpc rpl rpm rpo rpp rpr rra rrb rrc rrl rrm rrp rrr

aaaa aaab aaac aaal aaam aaap aaar aaba aabb aabc aabl aabm aabp aaca aacb aacc aacl aacm aaco aacp aacr aala aalc aall aalo aama aamb aamc aamo aamp aamr aaoo aapa aapc aapl aapm aapo aara aarc aarm aaro aarp abaa abab abac abal abam abap abar abb- abba abbb abbo abbr abca abcb abcc abcl abcp abcr abla ablo abma abmb abmc aboa abob abol aboo abor abpa abpc abpm abpp abpr abra abrc abro acaa acab acac acap acar acba acbl acca accc accm acco accp acla aclc aclr acma acmc acmp acoa acol acom acop acor acpa acpm acpr acr- acra acrc acrm acro acrr al-p alaa alac alal alam alao alap alar alb- alba albc albm albo alca alcc alco all- alla alll allo allr alma almc almo aloa aloc alol alom aloo alop alor alpa alpl alpo alro amaa amac amal amam amap amar amb- amba ambo ambr amca amcc amco amla amm- amma ammo amob amoc amol amoo amor ampa ampc ampl ampm ampo amra amrc amrl amro aoba aoca aola aoma aopo aora aorb apac apal apam apao apap apar apba apbr apca apcb apcc apcm apco apcr apl- apla aplp apma apo- apoc apom apoo apop apor appa appc appl appr apra aprc apro arab arac aral aram arap arar arba arc- arca arcm arco arla arlo arma armc arml armm armo aroa arob arom aroo aror arpa arpl arr- arra arrc arro arrr baaa baal baam baar baba babb babm babo babr bac- baca bacc baco bala balc ball balm balo bama bamb bamc baml bamm bamp baol bapa bapc bapp bar- bara barb barc barm baro barr bbbb bbcm bblb bbpr bbrc bcaa bcam bcap bcar bcbc bcbp bcca bccc bccl bccm bcma bcmp bcor bcpl bcpp bcra blaa blab blac blam blob bloc blom bloo blop blrc bmaa bmoc bmop boab boac boal boar boba bobb bobo boca bocm boco bola boll bolm bolo boma bomb bomp boob booc bool boom boop boor bopa bopp bor- bora borm boro borr bpcp bpmc bpml bprc brab brac bram brao brca brcb brlp brmc broa brob broc brol brom broo bror brrm brrr c-bo caaa caab caac caal caam caap caba cabo cac- caca cacc cacm caco cacr cala calc call calm calo calp cama camb camc caml camm camo camp caol caor capa capb capc capm capo capp cara carb carc carl carm caro carp carr cbac cbal cbar cbbc cbca cbcc cbcl cbcm cbcp cbcr cblb cblc cbol cbpc cbpp cbrl cbrm ccaa ccab ccac ccam ccap ccar ccba ccbc ccca cccb cccc cccl cccm cccp ccla cclc cclm ccma ccmb ccmc ccmm ccmp ccob ccoc ccom ccpa ccpl ccpm ccpp ccpr ccra ccrc ccrl ccrp clab clam clap clar clob clom cloo