-al -ol a-a a-b a-c aaa aab aac aak aal aan aao aar ab- aba abb abc abk abl abn abo abr ac- aca acb acc ack acl acn aco acr aka akb akc akk akl akn ako akr al- ala alb alc alk all aln alo alr an- ana anb anc ank anl ann ano anr aoa aob aoc aok aol aon aoo aor ar- ara arb arc ark arl arn aro arr baa bab bac bak bal ban bao bar bba bbb bbc bbk bbl bbn bbo bbr bca bcb bcc bck bcl bcn bco bcr bka bkb bkc bkk bkl bkn bko bkr bla blb blc blk bll bln blo blr bna bnb bnc bnk bnl bnn bno bnr boa bob boc bok bol bon boo bor bra brb brk brl brn bro brr c-- caa cab cac cak cal can cao car cba cbb cbc cbk cbl cbn cbo cbr cca ccb ccc cck ccl ccn cco ccr cka ckb ckc cko cl- cla clb clc clk cll cln clo clr cn- cna cnb cnc cnl cnn cno cnr co- coa cob coc cok col con coo cor cra crb crc crk crl crn cro crr ka- kaa kab kac kak kal kan kao kar kba kbb kbc kbk kbl kbn kbo kbr kca kcb kcc kck kcl kcn kcr kkb kkc kkk kkl kkn kkr kl- kla klb klc klo klr kn- kna knc knk knl knn kno knr koa kob koc kok kol kon koo kor kra krc krk krl krn kro krr la- laa lab lac lak lal lan lao lar lba lbb lbc lbk lbl lbo lbr lca lcb lcc lck lcl lcn lco lcr lka lkb lkl lkr lla llb llc llk lll lln llo llr lna lnb lnc lnk lnl lnn lno lnr loa lob loc lok lol lon loo lor lra lrb lrc lrk lrn lro lrr naa nab nac nak nal nan nao nar nba nbb nbc nbk nbl nbn nbo nbr nca ncb ncc nck ncl ncn nco ncr nka nkc nkk nkn nko nkr nla nlb nlc nlk nll nln nlo nlr nna nnb nnc nnk nnl nnn nno no- noa nob noc nok nol non noo nor nra nrb nrc nrk nrl nrn nro nrr oaa oab oac oak oal oan oao oar ob- oba obb obc obk obl obn obo obr oc- oca ocb occ ock ocl ocn oco ocr oka okb okc okk okl oko okr ola olb olc olk oll oln olo on- ona onb onc onk onl onn ono onr oo- ooa oob ooc ook ool oon ooo oor or- ora orb orc ork orl orn oro orr ra- raa rab rac rak ral ran rao rar rba rbb rbc rbk rbl rbn rbo rbr rca rcb rcc rcl rcn rco rcr rkb rkc rkk rko rla rlc rll rln rlo rlr rna rnb rnc rnn rno rnr roa rob roc rok rol ron roo ror rra rrb rrc rrk rrl rrn rrr

-ana a-ak a-ok aaaa aaab aaac aaal aaan aaar aaba aabb aabc aabl aaca aacb aacc aack aacl aacn aaco aacr aaka aala aalc aall aalo aana aaon aaoo aara aarc aaro abaa abab abac abak abal aban abar abb- abba abbb abbo abbr abca abcb abcc abcl abcn abcr abla ablo aboa abob abok abol abon aboo abor abra abrc abro acaa acab acac acan acar acba acbl acca accc acco acla aclc aclr acoa acol acon acor acr- acra acrc acro acrr akaa akal akan akao akar akca akka akko aklo akna akok akon akr- akra alaa alac alak alal alan alao alar alb- alba albc albo alca alcc alco alk- alka alkb alko all- alla alll alln allo allr alna aloa aloc alok alol alon aloo alor alro ana- anaa anab anac anak anal anan anao anar anba anbb anbl anbo anca ancc anco ank- anka anko anla anlc anln anlo anna annb anno ano- anoa anon anor anrc aoba aoca aola aonb aono aora aorb aorn arab arac arak aral aran arar arba arc- arca arco arka arko arla arlo arna arnk arno aroa arob aron aroo aror arr- arra arrc arrk arro arrr baaa baak baal baan baar baba babb babo babr bac- baca bacc back bacn baco bak- baka bakl bako bakr bala balc balk ball balo bana banc bank bann bano banr baol baon bar- bara barb barc bark barn baro barr bbbb bblb bbrc bcaa bcar bcbc bcca bccc bccl bcor bcra blaa blab blac blak blan blkb blno blob bloc blok blon bloo blrc bnoc bnor bnrr boab boac boak boal boan boar boba bobb bobo boca bock boco boka bokn boko bola bolk boll boln bolo bona bonc bonk bonn bono boob booc book bool boon boor bor- bora bork born boro borr brab brac brak bran brao brca brcb brka brkb brna brno broa brob broc brok brol bron broo bror brrr c-bo caaa caab caac caal caan caba cabo cac- caca cacc cack caco cacr caka cala calc calk call calo cana canc cank cann cano caol caor cara carb carc cark carl carn caro carr cbac cbal cbar cbbc cbca cbcc cbcl cbcn cbcr cbka cbkl cbkn cbko cbkr cblb cblc cbln cbna cbol cbrl cbrn ccaa ccab ccac ccar ccba ccbc ccbn ccca cccb cccc cccl ccla cclc ccna ccnb ccnc ccnr ccob ccoc ccra ccrc ccrl ckac ckan ckbc ckck ckcl ckco ckln cknb cknc ckoa ckob ckoc ckoo ckor ckrc clab clan clar clob clok clon cloo clor clra clro cnaa cnac cnbc cnbl cnco cnna cnrc cnrr coak coal coan coba cobb cobo coca cock coco cok- coka coko col- cola colb colk coll coln colo con- cona conc conk conn cono coob cook cool coon cor- cora corb corc cork corl corn coro corr crab crac cran crar crbc crca crcc crcr crkc crkl crna crob croc crok crol cron croo cror k-lo kaaa kaab kaak kaal kaan kaar kaba