-al -ol a-a a-b a-c aaa aab aac aad aal aam aao aar ab- aba abb abc abd abl abm abo abr ac- aca acb acc acd acl acm aco acr ad- ada adb adc add adl adm ado adr al- ala alb alc ald all alm alo alr ama amb amc amd aml amm amo amr aoa aob aoc aod aol aom aoo aor ar- ara arb arc ard arl arm aro arr baa bab bac bad bal bam bao bar bba bbb bbc bbd bbl bbm bbo bbr bca bcb bcc bcd bcl bcm bco bcr bda bdb bdc bdd bdl bdm bdo bdr bla blb blc bld bll blm blo blr bma bmb bmc bmd bml bmm bmo bmr boa bob boc bod bol bom boo bor bra brb brd brl brm bro brr c-- caa cab cac cad cal cam cao car cba cbb cbc cbd cbl cbm cbo cbr cca ccb ccc ccd ccl ccm cco ccr cda cdb cdc cdd cdl cdm cdo cdr cl- cla clb clc cld cll clm clo clr cma cmb cmc cmd cml cmm cmo cmr co- coa cob coc cod col com coo cor cra crb crc crd crl crm cro crr daa dab dac dad dal dam dao dar dba dbb dbc dbd dbl dbm dbo dbr dca dcb dcc dcd dcl dcm dco dcr dda ddb ddc ddd ddl ddm ddo ddr dl- dla dlb dlc dld dll dlm dlo dlr dma dmb dmc dmd dml dmm dmo dmr doa dob doc dod dol dom doo dor dra drb drc drd drl drm dro drr la- laa lab lac lad lal lam lao lar lba lbb lbc lbd lbl lbm lbo lbr lca lcb lcc lcd lcl lcm lco lcr lda ldb ldc ldd ldl ldm ldo ldr lla llb llc lld lll llm llo llr lma lmb lmc lmd lml lmm lmo lmr loa lob loc lod lol lom loo lor lra lrb lrc lrd lrm lro lrr m-o m-r maa mab mac mad mal mam mao mar mba mbb mbc mbd mbl mbm mbo mbr mc- mca mcb mcc mcd mcl mcm mco mcr mda mdb mdc mdd mdl mdm mdo mdr mla mlb mlc mld mll mlm mlo mlr mma mmb mmc mmd mml mmm mmo mmr moa mob moc mod mol mom moo mor mra mrb mrc mrd mrl mrm mro mrr oaa oab oac oad oal oam oao oar ob- oba obb obc obd obl obm obo obr oc- oca ocb occ ocd ocl ocm oco ocr oda odb odc odd odl odm odo odr ola olb olc old oll olm olo om- oma omb omc omd oml omm omo omr oo- ooa oob ooc ood ool oom ooo oor or- ora orb orc ord orl orm oro orr ra- raa rab rac rad ral ram rao rar rba rbb rbc rbd rbl rbm rbo rbr rca rcb rcc rcd rcl rcm rco rcr rda rdb rdc rdd rdl rdm rdo rdr rla rlc rld rll rlm rlo rlr rma rmb rmc rmd rml rmm rmo rmr roa rob roc rod rol rom roo ror rra rrb rrc rrd rrl rrm rrr

a-do aaaa aaab aaac aaad aaal aaam aaar aaba aabb aabc aabd aabl aabm aaca aacb aacc aacd aacl aacm aaco aacr aada aadc aala aalc aald aall aalo aama aamb aamc aamd aamo aamr aaoo aara aarc aard aarm aaro abaa abab abac abad abal abam abar abb- abba abbb abbo abbr abca abcb abcc abcd abcl abcr abda abdo abla ablo abma abmb abmc aboa abob abod abol aboo abor abra abrc abro acaa acab acac acad acar acba acbl acca accc accd accm acco acda acdb acdc acdm acla aclc aclr acma acmc acoa acod acol acom acor acr- acra acrc acrm acro acrr adaa adab adac adad adal adam adao adar adba adbc adcc adda addc addd addl addo addr adma admb adml admr adob adoc adod adoo ador adra adro alaa alac alad alal alam alao alar alb- alba albc albm albo alca alcc alco ald- alda aldl aldm aldo all- alla alll allo allr alma almc almo aloa aloc alod alol alom aloo alor alro amaa amac amad amal amam amar amb- amba ambo ambr amca amcc amco amda amdo amla amm- amma ammo amob amoc amod amol amoo amor amra amrc amrl amro aoba aoca aola aoma aora aorb arab arac arad aral aram arar arba arc- arca arcm arco arda ardc ardl ardm ardo arla arlo arma armc armd arml armm armo aroa arob arod arom aroo aror arr- arra arrc arro arrr baaa baad baal baam baar baba babb babm babo babr bac- baca bacc baco bada badb badd bado badr bala balc bald ball balm balo bama bamb bamc baml bamm baol bar- bara barb barc bard barm baro barr bbad bbbb bbcm bbdd bbdo bblb bbrc bcaa bcam bcar bcbc bcca bccc bccl bccm bcda bcma bcor bcra bd-r bdbc bddc bdrm blaa blab blac blad blam bldc bldr blob bloc blod blom bloo blrc bmaa bmdb bmoc boab boac boad boal boar boba bobb bobo boca bocm boco boda bodb bodo bola bold boll bolm bolo boma bomb boob booc bood bool boom boor bor- bora bord borm boro borr brab brac brad bram brao brca brcb brda brdm brdo brmc broa brob broc brod brol brom broo bror brrm brrr c-bo c-cd caaa caab caac caal caam caba cabo cac- caca cacc cacm caco cacr cada cadc cadd cadm cado cadr cala calc cald call calm calo cama camb camc caml camm camo caod caol caor cara carb carc card carl carm caro carr cbac cbal cbar cbbc cbca cbcc cbcl cbcm cbcr cbdb cbdc cbdo cblb cblc cbol cbrd cbrl cbrm ccaa ccab ccac ccad ccam ccar ccba ccbc ccca cccb cccc cccl cccm ccdc ccdm ccdr ccla cclc cclm ccma ccmb ccmc ccmd ccmm ccob ccoc ccod ccom ccra ccrc ccrl cd-r cdaa cdac