-al -ol a-a a-b a-c aaa aab aac aag aal aao aar ab- aba abb abc abg abl abo abr ac- aca acb acc acg acl aco acr ag- aga agb agc agg agl ago agr al- ala alb alc alg all alo alr aoa aob aoc aog aol aoo aor ar- ara arb arc arg arl aro arr baa bab bac bag bal bao bar bba bbb bbc bbg bbl bbo bbr bca bcb bcc bcg bcl bco bcr bga bgb bgc bgg bgl bgo bgr bla blb blc blg bll blo blr boa bob boc bog bol boo bor bra brb brg brl bro brr c-- caa cab cac cag cal cao car cba cbb cbc cbg cbl cbo cbr cca ccb ccc ccg ccl cco ccr cga cgb cgc cgg cgl cgo cgr cl- cla clb clc clg cll clo clr co- coa cob coc cog col coo cor cra crb crc crg crl cro crr gaa gab gac gag gal gao gar gba gbc gbg gbl gbo gbr gca gcb gcc gcg gcl gco gcr gga ggb ggc ggg ggo ggr gla glb glc glg gll glo glr goa gob goc gog gol goo gor gra grb grc grg grl gro grr la- laa lab lac lag lal lao lar lba lbb lbc lbg lbl lbo lbr lca lcb lcc lcg lcl lco lcr lga lgb lgc lgg lgl lgo lgr lla llb llc llg lll llo llr loa lob loc log lol loo lor lra lrb lrc lrg lro lrr oaa oab oac oag oal oao oar ob- oba obb obc obg obl obo obr oc- oca ocb occ ocg ocl oco ocr oga ogc ogg ogl ogo ola olb olc olg oll olo oo- ooa oob ooc oog ool ooo oor or- ora orb orc org orl oro orr ra- raa rab rac rag ral rao rar rba rbb rbc rbg rbl rbo rbr rca rcb rcc rcg rcl rco rcr rga rgb rgc rgg rgo rgr rla rlc rlg rll rlo rlr roa rob roc rog rol roo ror rra rrb rrc rrg rrl rrr

aaaa aaab aaac aaal aaar aaba aabb aabc aabl aaca aacb aacc aacl aaco aacr aala aalc aall aalo aaoo aara aarc aaro abaa abab abac abag abal abar abb- abba abbb abbo abbr abca abcb abcc abcl abcr abgl abla ablo aboa abob abol aboo abor abra abrc abro acaa acab acac acag acar acba acbl acca accc acco acga acgr acla aclc aclr acoa acog acol acor acr- acra acrc acro acrr ag-o agac agag agal agao agar agba agbo agca agcc agco agga agla aglc agob agog agol agoo agra agrl agro alaa alac alag alal alao alar alb- alba albc albo alca alcc alco alg- alga algo all- alla alll allo allr aloa aloc alog alol aloo alor alro aoba aoca aola aora aorb arab arac arag aral arar arba arc- arca arco arga argb argo arla arlo aroa arob aroo aror arr- arra arrc arrg arro arrr baaa baal baar baba babb babo babr bac- baca bacc baco baga bagg bago bala balc ball balo baol bar- bara barb barc barg baro barr bbbb bbga bblb bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bccl bcor bcra bgca blaa blab blac blag blob bloc blog bloo blrc blrg boab boac boag boal boar boba bobb bobo boca boco boga bogg bogo bola bolg boll bolo boob booc boog bool boor bor- bora borg boro borr brab brac brag brao brca brcb broa brob broc brog brol broo bror brrr c-bo caaa caab caac caal caba cabg cabo cac- caca cacc caco cacr caga cagg cago cagr cala calc call calo caol caor cara carb carc carl caro carr cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbga cbgb cblb cblc cbol cbrl ccaa ccab ccac ccag ccar ccba ccbc ccca cccb cccc cccl ccga ccgc ccla cclc cclg ccob ccoc ccra ccrc ccrg ccrl cgac cgal cgcc cgcg cgro clab clag clar clob clog cloo clor clra clro coag coal coba cobb cobo coca coco cogo col- cola colb coll colo coob cool cor- cora corb corc corg corl coro corr crab crac crag crar crbc crca crcc crcr crob croc crol croo cror gaal gaar gaba gabb gabl gabo gabr gaga gagg gago gala gall galo gaol gara garb garg garo garr gbag gbbo gc-c gcaa gcal gcbc gccc gclc gcoa gcrg ggcl gggg glaa glab glar glbc glcc glob glog glor glrb glro goal goar goba gobl gobo goca gocr goga gogo gola goll golo goog gool goor gora gorb gorg goro gorr grab grac grbr grcc grob groc grog grol groo gror grrl grrr laaa laac laag laal laar laba labo labr laca lacc lacl laco lag- laga lagg lago lala lall lalo lara larb larc larg larr lbar lbcc lblr lcac lcbc lcca lccc lcor lcra lcrg lcrl lgca llao llcc llgc lllc llll lloa lloc lloo loac loar lob- loba lobb lobo loca locc loco log- loga logb logo lola loll lolo loob looc lool loor lora loro lrac lral lrba lrgb lroc lrrc lrrr oall oara obal obba obbo obla obol obor obra obro ocab ocac ocal ocbc occa occc ocga oclc ocra ocrl ocro ocrr ogar ogb ogba ogla ogoa ogog ogra ogro olac olar olba olbo olca olcc olga olgc olgr olla ollo olog olor ooaa ooba oocr oola oolo oooo oora orab orac oral orao orar orba orbb orbo orca orco orga orgo orla orlo oro- oror orra orro raab raag raba rabb rabl rabo rac- raca racc raco raga ragg rago rala ralb rall ralo raob raoc raol rara rarb raro rbbb rbbr rbcl rcac rcbc rcbo rccb rccc rcga rcgc rcrg rgba rlab rlcg roab roag roar rob- roba robb robo roca rocc roco roga rogg rogo rola roll rolo roob roog rool roor rora rorc roro rrrr

-aaa- aaaoc aaarc aaarg aabaa aabba aabga aabra aacbc abaab ababa abaca abaco abaga