-al -ol a-a a-b a-c aaa aab aac aag aal aao aar aau ab- aba abb abc abg abl abo abr abu ac- aca acb acc acg acl aco acr acu ag- aga agb agc agg agl ago agr agu al- ala alb alc alg all alo alr alu aoa aob aoc aog aol aoo aor aou ar- ara arb arc arg arl aro arr aru au- aua aub auc aug aul auo aur b-u baa bab bac bag bal bao bar bau bba bbb bbc bbg bbl bbo bbr bbu bca bcb bcc bcg bcl bco bcr bcu bga bgb bgc bgg bgl bgo bgr bgu bla blb blc blg bll blo blr blu boa bob boc bog bol boo bor bou bra brb brg brl bro brr bru bua bub buc bug bul buo bur buu c-- caa cab cac cag cal cao car cau cba cbb cbc cbg cbl cbo cbr cbu cca ccb ccc ccg ccl cco ccr ccu cga cgb cgc cgg cgl cgo cgr cgu cl- cla clb clc clg cll clo clr clu co- coa cob coc cog col coo cor cou cra crb crc crg crl cro crr cru cua cub cuc cug cul cuo cur cuu gaa gab gac gag gal gao gar gau gba gbc gbg gbl gbo gbr gbu gca gcb gcc gcg gcl gco gcr gcu gga ggb ggc ggg ggo ggr ggu gla glb glc glg gll glo glr glu goa gob goc gog gol goo gor gou gra grb grc grg grl gro grr gru gu- gua gub guc gug gul guo gur guu la- laa lab lac lag lal lao lar lau lba lbb lbc lbg lbl lbo lbr lbu lca lcb lcc lcg lcl lco lcr lcu lga lgb lgc lgg lgl lgo lgr lgu lla llb llc llg lll llo llr llu loa lob loc log lol loo lor lou lra lrb lrc lrg lro lrr lru lua lub luc lug lul luo lur luu oaa oab oac oag oal oao oar oau ob- oba obb obc obg obl obo obr obu oc- oca ocb occ ocg ocl oco ocr ocu oga ogc ogg ogl ogo ola olb olc olg oll olo olu oo- ooa oob ooc oog ool ooo oor or- ora orb orc org orl oro orr oru ou- oua ouc oul ouo our ra- raa rab rac rag ral rao rar rau rba rbb rbc rbg rbl rbo rbr rbu rca rcb rcc rcg rcl rco rcr rcu rga rgb rgc rgg rgo rgr rla rlc rlg rll rlo rlr rlu roa rob roc rog rol roo ror rou rra rrb rrc rrg rrl rrr rru rua rub ruc rug ruo rur ruu ua- uaa uab uac uag ual uao uar uau uba ubb ubc ubg ubl ubo ubr ubu uca ucb ucc ucg ucl uco ucr ucu uga ugb ugc ugg ugl ugo ugr ugu ula ulb ulc ulg ull ulo ulr ulu uoa uob uoc uog uol uoo uor ur- ura urb urc urg url uro urr uru uua uuc uug uur uuu

aaaa aaab aaac aaal aaar aaba aabb aabc aabl aaca aacb aacc aacl aaco aacr aacu aala aalc aall aalo aalu aaoo aara aarc aaro aaru abaa abab abac abag abal abar abau abb- abba abbb abbo abbr abca abcb abcc abcl abcr abgl abla ablo aboa abob abol aboo abor abou abra abrc abro abua abug abul acaa acab acac acag acar acba acbl acca accc acco accu acga acgr acla aclc aclr aclu acoa acog acol acor acou acr- acra acrc acro acrr acu- acul acuo acur ag-o agac agag agal agao agar agau agba agbo agca agcc agco agga aggu agla aglc aglu agob agog agol agoo agou agra agrl agro agua agul agur alaa alac alag alal alao alar alau alb- alba albc albo albu alca alcc alco alg- alga algo all- alla alll allo allr allu aloa aloc alog alol aloo alor alou alro alua alug alur aoba aoca aola aora aorb aoul arab arac arag aral arar arau arba arc- arca arco arga argb argo arla arlo aroa arob aroo aror arr- arra arrc arrg arro arrr arru arua arub arug arul auaa auca auga aul- aula aull aulo aulu auol aur- aura auro auug baaa baal baar baba babb babo babr babu bac- baca bacc baco baga bagg bago bala balc ball balo balu baol bar- bara barb barc barg baro barr baru bau- baug baul baur bbau bbbb bbga bblb bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bccl bcor bcra bcru bcuc bgca blaa blab blac blag blau blcu blob bloc blog bloo blou blrc blrg blub blur boab boac boag boal boar boba bobb bobo bobu boca boco bocu boga bogg bogo bola bolg boll bolo bolu boob booc boog bool boor bor- bora borg boro borr boru boua boul bour brab brac brag brao brau brca brcb broa brob broc brog brol broo bror brou brrr bruc brug bual buar buba bubb bubo bubu buca bucc buco bucu buga bugg bugo bula bulb bulg bull bulu buol bur- bura burb burg burl buro burr buru c-bo caaa caab caac caal caba cabg cabo cabu cac- caca cacc caco cacr caga cagg cago cagr cala calc call calo calu caol caor cara carb carc carl caro carr cauc caul cauo cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbcu cbga cbgb cblb cblc cbol cbrl ccaa ccab ccac ccag ccar ccba ccbc ccca cccb cccc cccl cccu ccga ccgc ccla cclc cclg ccob ccoc ccra ccrc ccrg ccrl ccuc cgac cgal cgcc cgcg cgro clab clag clar clau clob clog cloo clor clou clra clro club coag coal coba cobb cobo cobu coca coco cocu cogo col- cola colb coll colo colu coob cool cor- cora corb corc corg corl coro corr coua coub coul cour crab crac crag crar crau crbc crbu crca crcc crcr crob croc crol croo cror crub crug cuau cub-