-al -ol a-a a-b a-c aaa aab aac aak aal aam aao aar ab- aba abb abc abk abl abm abo abr ac- aca acb acc ack acl acm aco acr aka akb akc akk akl akm ako akr al- ala alb alc alk all alm alo alr ama amb amc amk aml amm amo amr aoa aob aoc aok aol aom aoo aor ar- ara arb arc ark arl arm aro arr baa bab bac bak bal bam bao bar bba bbb bbc bbk bbl bbm bbo bbr bca bcb bcc bck bcl bcm bco bcr bka bkb bkc bkk bkl bkm bko bkr bla blb blc blk bll blm blo blr bma bmb bmc bmk bml bmm bmo bmr boa bob boc bok bol bom boo bor bra brb brk brl brm bro brr c-- caa cab cac cak cal cam cao car cba cbb cbc cbk cbl cbm cbo cbr cca ccb ccc cck ccl ccm cco ccr cka ckb ckc ckm cko cl- cla clb clc clk cll clm clo clr cma cmb cmc cmk cml cmm cmo cmr co- coa cob coc cok col com coo cor cra crb crc crk crl crm cro crr ka- kaa kab kac kak kal kam kao kar kba kbb kbc kbk kbl kbm kbo kbr kca kcb kcc kck kcl kcm kcr kkb kkc kkk kkl kkm kkr kl- kla klb klc klm klo klr kma kmb kmc kmk kml kmm kmo koa kob koc kok kol kom koo kor kra krc krk krl kro krr la- laa lab lac lak lal lam lao lar lba lbb lbc lbk lbl lbm lbo lbr lca lcb lcc lck lcl lcm lco lcr lka lkb lkl lkr lla llb llc llk lll llm llo llr lma lmb lmc lmk lml lmm lmo lmr loa lob loc lok lol lom loo lor lra lrb lrc lrk lrm lro lrr m-o m-r maa mab mac mak mal mam mao mar mba mbb mbc mbk mbl mbm mbo mbr mc- mca mcb mcc mck mcl mcm mco mcr mka mkb mkc mkk mkl mkm mko mkr mla mlb mlc mlk mll mlm mlo mlr mma mmb mmc mmk mml mmm mmo mmr moa mob moc mok mol mom moo mor mra mrb mrc mrk mrl mrm mro mrr oaa oab oac oak oal oam oao oar ob- oba obb obc obk obl obm obo obr oc- oca ocb occ ock ocl ocm oco ocr oka okb okc okk okl oko okr ola olb olc olk oll olm olo om- oma omb omc oml omm omo omr oo- ooa oob ooc ook ool oom ooo oor or- ora orb orc ork orl orm oro orr ra- raa rab rac rak ral ram rao rar rba rbb rbc rbk rbl rbm rbo rbr rca rcb rcc rcl rcm rco rcr rkb rkc rkk rkm rko rla rlc rll rlm rlo rlr rma rmb rmc rml rmm rmo rmr roa rob roc rok rol rom roo ror rra rrb rrc rrk rrl rrm rrr

a-ak a-ok aaaa aaab aaac aaal aaam aaar aaba aabb aabc aabl aabm aaca aacb aacc aack aacl aacm aaco aacr aaka aala aalc aall aalo aama aamb aamc aamo aamr aaoo aara aarc aarm aaro abaa abab abac abak abal abam abar abb- abba abbb abbo abbr abca abcb abcc abcl abcr abla ablo abma abmb abmc aboa abob abok abol aboo abor abra abrc abro acaa acab acac acar acba acbl acca accc accm acco acla aclc aclr acma acmc acoa acol acom acor acr- acra acrc acrm acro acrr akaa akal akam akao akar akca akka akko aklo akok akom akr- akra alaa alac alak alal alam alao alar alb- alba albc albm albo alca alcc alco alk- alka alkb alko all- alla alll allo allr alma almc almo aloa aloc alok alol alom aloo alor alro amaa amac amal amam amar amb- amba ambo ambr amca amcc amco amka amla amm- amma ammo amob amoc amok amol amoo amor amra amrc amrl amro aoba aoca aola aoma aora aorb arab arac arak aral aram arar arba arc- arca arcm arco arka arko arla arlo arma armc arml armm armo aroa arob arom aroo aror arr- arra arrc arrk arro arrr baaa baak baal baam baar baba babb babm babo babr bac- baca bacc back baco bak- baka bakl bako bakr bala balc balk ball balm balo bama bamb bamc baml bamm baol bar- bara barb barc bark barm baro barr bbbb bbcm bblb bbrc bcaa bcam bcar bcbc bcca bccc bccl bccm bcma bcor bcra blaa blab blac blak blam blkb blob bloc blok blom bloo blrc bmaa bmoc boab boac boak boal boar boba bobb bobo boca bock bocm boco boka boko bola bolk boll bolm bolo boma bomb boob booc book bool boom boor bor- bora bork borm boro borr brab brac brak bram brao brca brcb brka brkb brmc broa brob broc brok brol brom broo bror brrm brrr c-bo caaa caab caac caal caam caba cabo cac- caca cacc cack cacm caco cacr caka cala calc calk call calm calo cama camb camc camk caml camm camo caol caor cara carb carc cark carl carm caro carr cbac cbal cbar cbbc cbca cbcc cbcl cbcm cbcr cbka cbkl cbkm cbko cbkr cblb cblc cbol cbrl cbrm ccaa ccab ccac ccam ccar ccba ccbc ccca cccb cccc cccl cccm cckm ccla cclc cclm ccma ccmb ccmc ccmm ccob ccoc ccom ccra ccrc ccrl ckac ckbc ckck ckcl ckcm ckco cklm ckml ckmo ckoa ckob ckoc ckom ckoo ckor ckrc ckrm clab clam clar clob clok clom cloo clor clra clro cmaa cmac cmba cmbc cmcc cmla cmll cmmb cmmc cmml cmoc cmra cmrr coak coal coba cobb cobo coca cock coco cok- coka coko col- cola colb colk coll colm colo com- coma comb comc coml comm como comr coob cook cool coom cor- cora corb corc cork corl corm coro corr crab crac cram