-al -ol a-a a-b a-c aaa aab aac aad aah aal aao aar ab- aba abb abc abd abh abl abo abr ac- aca acb acc acd ach acl aco acr ad- ada adb adc add adh adl ado adr aha ahb ahc ahd ahh ahl aho ahr al- ala alb alc ald alh all alo alr aoa aob aoc aod aoh aol aoo aor ar- ara arb arc ard arh arl aro arr baa bab bac bad bah bal bao bar bba bbb bbc bbd bbh bbl bbo bbr bca bcb bcc bcd bch bcl bco bcr bda bdb bdc bdd bdh bdl bdo bdr bha bhb bhc bhd bhh bhl bho bhr bla blb blc bld blh bll blo blr boa bob boc bod boh bol boo bor bra brb brd brh brl bro brr c-- caa cab cac cad cah cal cao car cba cbb cbc cbd cbh cbl cbo cbr cca ccb ccc ccd cch ccl cco ccr cda cdb cdc cdd cdh cdl cdo cdr ch- cha chb chc chd chh chl cho chr cl- cla clb clc cld clh cll clo clr co- coa cob coc cod coh col coo cor cra crb crc crd crh crl cro crr daa dab dac dad dah dal dao dar dba dbb dbc dbd dbh dbl dbo dbr dca dcb dcc dcd dcl dco dcr dda ddb ddc ddd ddh ddl ddo ddr dh- dha dhb dhc dhd dhh dhl dho dhr dl- dla dlb dlc dld dlh dll dlo dlr doa dob doc dod doh dol doo dor dra drb drc drd drl dro drr haa hab hac had hah hal hao har hba hbb hbc hbd hbh hbl hbo hbr hca hcb hcc hcd hch hcl hco hcr hda hdb hdc hdd hdh hdl hdo hdr hha hhb hhc hhd hhh hhl hho hhr hla hlb hlc hld hlh hll hlo hlr hoa hob hoc hod hoh hol hoo hor hr- hra hrb hrc hrd hrh hrl hro hrr la- laa lab lac lad lah lal lao lar lba lbb lbc lbd lbh lbl lbo lbr lca lcb lcc lcd lch lcl lco lcr lda ldb ldc ldd ldh ldl ldo ldr lha lhb lhc lhd lhh lho lhr lla llb llc lld lll llo llr loa lob loc lod loh lol loo lor lra lrb lrc lrd lrh lro lrr oaa oab oac oad oah oal oao oar ob- oba obb obc obd obh obl obo obr oc- oca ocb occ ocd och ocl oco ocr oda odb odc odd odh odl odo odr oha ohc ohd ohh ohl oho ohr ola olb olc old oll olo oo- ooa oob ooc ood ooh ool ooo oor or- ora orb orc ord orh orl oro orr ra- raa rab rac rad rah ral rao rar rba rbb rbc rbd rbh rbl rbo rbr rca rcb rcc rcd rch rcl rco rcr rda rdb rdc rdd rdh rdl rdo rdr rh- rha rhb rhc rhd rhh rhl rho rhr rla rlc rld rlh rll rlo rlr roa rob roc rod roh rol roo ror rra rrb rrc rrd rrh rrl rrr

a-do a-ha aaaa aaab aaac aaad aaah aaal aaar aaba aabb aabc aabd aabh aabl aaca aacb aacc aacd aach aacl aaco aacr aada aadc aaha aahl aala aalc aald aall aalo aaoo aara aarc aard aaro abaa abab abac abad abal abar abb- abba abbb abbo abbr abca abcb abcc abcd abch abcl abcr abda abdo abha abho abhr abla ablo aboa abob abod aboh abol aboo abor abra abrc abro acaa acab acac acad acar acba acbl acca accc accd acch acco acda acdb acdc acha achh achl acho achr acla aclc aclr acoa acod acoh acol acor acr- acra acrc acro acrr adaa adab adac adad adah adal adao adar adba adbc adcc adda addc addd addl addo addr adha adhd adho adob adoc adod adoo ador adra adro ahab ahac ahad ahah ahal ahar ahdl ahha ahla ahoa ahod ahor ahra ahrc ahrr alaa alac alad alal alao alar alb- alba albc albo alca alcc alco ald- alda aldl aldo alha all- alla allh alll allo allr aloa aloc alod aloh alol aloo alor alro aoah aoba aoca aodh aola aora aorb arab arac arad arah aral arar arba arbh arc- arca arch arco arda ardc ardl ardo arh- arla arlo aroa arob arod aroo aror arr- arra arrc arrh arro arrr baaa baad baah baal baar baba babb babo babr bac- baca bacc bach baco bada badb badd badh bado badr baha bahl baho bahr bala balc bald ball balo baoh baol bar- bara barb barc bard barh baro barr bbad bbbb bbch bbdd bbdo bblb bbrc bcaa bcar bcbc bcca bccc bccl bcda bchd bcor bcra bd-r bdbc bddc bddh bhao bhar bhca bhcc bhdl bhor bhra blaa blab blac blad blah bldc bldr blob bloc blod bloo blrc boab boac boad boal boar boba bobb bobo boca boch boco boda bodb bodh bodo boha bohd bohl boho bohr bola bold boll bolo boob booc bood booh bool boor bor- bora bord borh boro borr brab brac brad brah brao brca brcb brda brdo broa brob broc brod broh brol broo bror brrr c-bo c-cd caaa caab caac caah caal caba cabo cac- caca cacc cach caco cacr cada cadc cadd cado cadr caha cahl cala calc cald call calo caod caol caor cara carb carc card carl caro carr cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbdb cbdc cbdo cbha cbhl cblb cblc cbol cbrd cbrh cbrl ccaa ccab ccac ccad ccar ccba ccbc ccca cccb cccc cccl ccdc ccdh ccdr ccha cchl cchr ccla cclc ccob ccoc ccod ccra ccrc ccrl cd-r cdaa cdac cdad cdba cdda cddb cddl cddr chaa chab chac chad chah chal chao char chca chch chha chlc chlr choc chod choh chol choo chor chra chrb chrc chrd chro chrr clab clad clar clcd cldc cldr clob clod cloo clor clra