-al -ol a-a a-b a-c aaa aab aac aad aal aan aao aar ab- aba abb abc abd abl abn abo abr ac- aca acb acc acd acl acn aco acr ad- ada adb adc add adl adn ado adr al- ala alb alc ald all aln alo alr an- ana anb anc and anl ann ano anr aoa aob aoc aod aol aon aoo aor ar- ara arb arc ard arl arn aro arr baa bab bac bad bal ban bao bar bba bbb bbc bbd bbl bbn bbo bbr bca bcb bcc bcd bcl bcn bco bcr bda bdb bdc bdd bdl bdo bdr bla blb blc bld bll bln blo blr bna bnb bnc bnd bnl bnn bno bnr boa bob boc bod bol bon boo bor bra brb brd brl brn bro brr c-- caa cab cac cad cal can cao car cba cbb cbc cbd cbl cbn cbo cbr cca ccb ccc ccd ccl ccn cco ccr cda cdb cdc cdd cdl cdn cdo cdr cl- cla clb clc cld cll cln clo clr cn- cna cnb cnc cnd cnl cnn cno cnr co- coa cob coc cod col con coo cor cra crb crc crd crl crn cro crr daa dab dac dad dal dan dao dar dba dbb dbc dbd dbl dbn dbo dbr dca dcb dcc dcd dcl dcn dco dcr dda ddb ddc ddd ddl ddn ddo ddr dl- dla dlb dlc dld dll dlo dlr dna dnb dnc dnd dnl dnn dno dnr doa dob doc dod dol don doo dor dra drb drc drd drl drn dro drr la- laa lab lac lad lal lan lao lar lba lbb lbc lbd lbl lbo lbr lca lcb lcc lcd lcl lcn lco lcr lda ldb ldc ldd ldl ldn ldo ldr lla llb llc lld lll lln llo llr lna lnb lnc lnd lnl lnn lno lnr loa lob loc lod lol lon loo lor lra lrb lrc lrd lrn lro lrr naa nab nac nad nal nan nao nar nba nbb nbc nbd nbl nbn nbo nbr nca ncb ncc ncd ncl ncn nco ncr nda ndb ndc ndd ndl ndn ndo ndr nla nlb nlc nld nll nln nlo nlr nna nnb nnc nnl nnn nno no- noa nob noc nod nol non noo nor nra nrb nrc nrd nrl nrn nro nrr oaa oab oac oad oal oan oao oar ob- oba obb obc obd obl obn obo obr oc- oca ocb occ ocd ocl ocn oco ocr oda odb odc odd odl odn odo odr ola olb olc old oll oln olo on- ona onb onc ond onl onn ono onr oo- ooa oob ooc ood ool oon ooo oor or- ora orb orc ord orl orn oro orr ra- raa rab rac rad ral ran rao rar rba rbb rbc rbd rbl rbn rbo rbr rca rcb rcc rcd rcl rcn rco rcr rda rdb rdc rdd rdl rdn rdo rdr rla rlc rld rll rln rlo rlr rna rnb rnc rnd rnn rno rnr roa rob roc rod rol ron roo ror rra rrb rrc rrd rrl rrn rrr

-ana a-do aaaa aaab aaac aaad aaal aaan aaar aaba aabb aabc aabd aabl aaca aacb aacc aacd aacl aacn aaco aacr aada aadc aala aalc aald aall aalo aana aand aaon aaoo aara aarc aard aaro abaa abab abac abad abal aban abar abb- abba abbb abbo abbr abca abcb abcc abcd abcl abcn abcr abda abdo abla ablo aboa abob abod abol abon aboo abor abra abrc abro acaa acab acac acad acan acar acba acbl acca accc accd acco acda acdb acdc acla aclc aclr acoa acod acol acon acor acr- acra acrc acro acrr adaa adab adac adad adal adan adao adar adba adbc adcc adda addc addd addl addn addo addr adna adob adoc adod adon adoo ador adra adro alaa alac alad alal alan alao alar alb- alba albc albo alca alcc alco ald- alda aldl aldo all- alla alll alln allo allr alna aloa aloc alod alol alon aloo alor alro ana- anaa anab anac anad anal anan anao anar anba anbb anbl anbo anca ancc anco and- anda andl ando andr anla anlc anln anlo anna annb anno ano- anoa anod anon anor anrc aoba aoca aola aonb aono aora aorb aorn arab arac arad aral aran arar arba arc- arca arco arda ardc ardl ardo arla arlo arna arnd arno aroa arob arod aron aroo aror arr- arra arrc arro arrr baaa baad baal baan baar baba babb babo babr bac- baca bacc bacn baco bada badb badd bado badr bala balc bald ball balo bana banc band bann bano banr baol baon bar- bara barb barc bard barn baro barr bbad bbbb bbdd bbdo bblb bbrc bcaa bcar bcbc bcca bccc bccl bcda bcor bcra bd-r bdbc bddc bdna blaa blab blac blad blan bldc bldr blno blob bloc blod blon bloo blrc bnoc bnor bnrr boab boac boad boal boan boar boba bobb bobo boca boco boda bodb bodo bola bold boll boln bolo bona bonc bond bonn bono boob booc bood bool boon boor bor- bora bord born boro borr brab brac brad bran brao brca brcb brda brdo brna brno broa brob broc brod brol bron broo bror brrr c-bo c-cd caaa caab caac caal caan caba cabo cac- caca cacc caco cacr cada cadc cadd cado cadr cala calc cald call calo cana canc cand cann cano caod caol caor cara carb carc card carl carn caro carr cbac cbal cbar cbbc cbca cbcc cbcl cbcn cbcr cbdb cbdc cbdn cbdo cblb cblc cbln cbna cbnd cbol cbrd cbrl cbrn ccaa ccab ccac ccad ccar ccba ccbc ccbn ccca cccb cccc cccl ccdc ccdn ccdr ccla cclc ccna ccnb ccnc ccnr ccob ccoc ccod ccra ccrc ccrl cd-r cdaa cdac cdad cdba cdda cddb cddl cddr cdna cdnb cdnc cdon clab clad clan clar clcd cldc cldr clob clod clon cloo