-al -ol a-a a-b a-c aaa aab aac aak aal aao aau ab- aba abb abc abk abl abo abu ac- aca acb acc ack acl aco acu aka akb akc akk akl ako aku al- ala alb alc alk all alo alu aoa aob aoc aok aol aoo aou au- aua aub auc auk aul auo b-u baa bab bac bak bal bao bau bba bbb bbc bbk bbl bbo bbu bca bcb bcc bck bcl bco bcu bka bkb bkc bkk bkl bko bla blb blc blk bll blo blu boa bob boc bok bol boo bou bua bub buc buk bul buo buu c-- caa cab cac cak cal cao cau cba cbb cbc cbk cbl cbo cbu cca ccb ccc cck ccl cco ccu cka ckb ckc cko cl- cla clb clc clk cll clo clu co- coa cob coc cok col coo cou cua cub cuc cuk cul cuo cuu ka- kaa kab kac kak kal kao kau kba kbb kbc kbk kbl kbo kbu kca kcb kcc kck kcl kcu kkb kkc kkk kkl kku kl- kla klb klc klo klu koa kob koc kok kol koo kou kub kuc kuk kul kuu la- laa lab lac lak lal lao lau lba lbb lbc lbk lbl lbo lbu lca lcb lcc lck lcl lco lcu lka lkb lkl lla llb llc llk lll llo llu loa lob loc lok lol loo lou lua lub luc luk lul luo luu oaa oab oac oak oal oao oau ob- oba obb obc obk obl obo obu oc- oca ocb occ ock ocl oco ocu oka okb okc okk okl oko oku ola olb olc olk oll olo olu oo- ooa oob ooc ook ool ooo ou- oua ouc ouk oul ouo ua- uaa uab uac uak ual uao uau uba ubb ubc ubk ubl ubo ubu uca ucb ucc uck ucl uco ucu uka ukb ukc ukk ukl uku ula ulb ulc ulk ull ulo ulu uoa uob uoc uok uol uoo uua uuc uuu

a-ak a-ok aaaa aaab aaac aaal aaba aabb aabc aabl aaca aacb aacc aack aacl aaco aacu aaka aaku aala aalc aall aalo aalu aaoo abaa abab abac abak abal abau abb- abba abbb abbo abca abcb abcc abcl abla ablo aboa abob abok abol aboo abou abua abuk abul acaa acab acac acba acbl acca accc acco accu acla aclc aclu acoa acol acou acu- acul acuo akaa akal akao akca akka akko akku aklo akok akua alaa alac alak alal alao alau alb- alba albc albo albu alca alcc alco alk- alka alkb alko alku all- alla alll allo allu aloa aloc alok alol aloo alou alua aluk aoba aoca aola aoul auaa auca aul- aula aull aulo aulu auol baaa baak baal baba babb babo babu bac- baca bacc back baco bak- baka bakl bako baku bala balc balk ball balo balu baol bau- bauk baul bbau bbbb bblb bcaa bcbc bcca bccc bccl bcuc blaa blab blac blak blau blcu blkb blob bloc blok bloo blou blub boab boac boak boal boba bobb bobo bobu boca bock boco bocu boka boko boku bola bolk boll bolo bolu boob booc book bool boua bouk boul bual buba bubb bubo bubu buca bucc buck buco bucu buka bukk buko buku bula bulb bulk bull bulu buol c-bo caaa caab caac caal caba cabo cabu cac- caca cacc cack caco caka cala calc calk call calo calu caol cauc cauk caul cauo cbac cbal cbbc cbca cbcc cbcl cbcu cbka cbkl cbko cblb cblc cbol ccaa ccab ccac ccba ccbc ccca cccb cccc cccl cccu ccla cclc ccob ccoc ccuc ckac ckbc ckck ckcl ckco ckoa ckob ckoc ckoo clab clau clob clok cloo clou club coak coal coba cobb cobo cobu coca cock coco cocu cok- coka coko col- cola colb colk coll colo colu coob cook cool coua coub couk coul cuau cub- cuba cubb cuca cucc cuck cuk- cuka cula culb culc culk cull culo k-lo kaaa kaab kaak kaal kaba kabb kabc kabo kabu kacb kacc kacl kaco kacu kaka kakc kakk kako kaku kala kalb kalc kalk kall kalo kalu kaoa kaoc kaok kaol kau- kaub kauc kauk kaul kauo kbaa kbab kbac kbak kbal kbba kbbb kbbc kbbk kbbl kbbo kbbu kbca kbcb kbck kbcl kbco kbcu kbkb kbkk kbkl kbko kbla kblb kbll kblo kblu kboa kbob kboc kbok kboo kbua kbub kbuc kbuk kbul kbuu kcaa kcab kcac kcal kcau kcba kcbc kcbk kcbl kcbu kcca kccb kccc kcck kccl kccu kckc kckk kckl kcko kcla kclc kclk kcll kclu kcob kcol kcou kcua kcub kcuk kcul kkaa kkac kkal kkba kkbb kkbl kkbo kkcb kkck kkcl kkco kkkk kklb kklc kkll kklo kkoa kkob kkol kkoo kkua kkuu klaa klab klac klak klal klbb klbc klbl klbu klca klcb klcc klck klcl klka klkc klkk klkl klko klla kllb kllc kllk kloa klob kloc klok klol kloo klou klub kluk kluu koab koac koak koal koba kobb kobc kobk kobo kobu koca kocb kock koka kokb kokc kokk koko koku kola kolb kolc kolk koll kolo kolu koob kooc kook kool kooo koou koua koub koul kouu kuac kuau kuba kubb kubc kubo kubu kuca kucb kucc kuco kuka kukk kukl kuku kula kulb kull kulo kulu kuoa kuok kuol kuoo kuub kuuk kuul kuuu laaa laac laak laal laba labo labu laca lacc lack lacl laco lacu laka lala lall lalo lalu laou laub lauk laul lbcc lcac lcbc lcca lccc lkab lkal llao llcc lllc llll lloa lloc lloo loac lob- loba lobb lobo loca locc lock loco locu loka lokk loko lola loll lolo loob looc look lool louk loul louu luau luba luca luck luka luko lula lull lulu luua luuk oaau oall obak obal obba obbo obkb obla oblu obok obol ocab ocac ocak ocal ocbc occa occc oclc ocul okak okcu okka okko okla oklo okok okol okul olac olba olbo olca olcc olka olla