-al a-a a-b a-c aaa aab aac aad aal aam aau ab- aba abb abc abd abl abm abu ac- aca acb acc acd acl acm acu ad- ada adb adc add adl adm adu al- ala alb alc ald all alm alu ama amb amc amd aml amm amu au- aua aub auc aud aul aum b-u baa bab bac bad bal bam bau bba bbb bbc bbd bbl bbm bbu bca bcb bcc bcd bcl bcm bcu bda bdb bdc bdd bdl bdm bdu bla blb blc bld bll blm blu bma bmb bmc bmd bml bmm bmu bua bub buc bud bul bum buu c-- caa cab cac cad cal cam cau cba cbb cbc cbd cbl cbm cbu cca ccb ccc ccd ccl ccm ccu cda cdb cdc cdd cdl cdm cdu cl- cla clb clc cld cll clm clu cma cmb cmc cmd cml cmm cmu cua cub cuc cud cul cum cuu daa dab dac dad dal dam dau dba dbb dbc dbd dbl dbm dbu dca dcb dcc dcd dcl dcm dcu dda ddb ddc ddd ddl ddm ddu dl- dla dlb dlc dld dll dlm dlu dma dmb dmc dmd dml dmm dmu dua dub duc dud dul dum la- laa lab lac lad lal lam lau lba lbb lbc lbd lbl lbm lbu lca lcb lcc lcd lcl lcm lcu lda ldb ldc ldd ldl ldm ldu lla llb llc lld lll llm llu lma lmb lmc lmd lml lmm lmu lua lub luc lud lul lum luu maa mab mac mad mal mam mau mba mbb mbc mbd mbl mbm mbu mc- mca mcb mcc mcd mcl mcm mcu mda mdb mdc mdd mdl mdm mdu mla mlb mlc mld mll mlm mlu mma mmb mmc mmd mml mmm mmu mua mub muc mud mul mum muu ua- uaa uab uac uad ual uam uau uba ubb ubc ubl ubu uca ucb ucc ucd ucl ucm ucu uda udb udc udd udl udm udu ula ulb ulc uld ull ulm ulu um- uma umb umc umd uml umm umu uua uuc uum uuu

aaaa aaab aaac aaad aaal aaam aaba aabb aabc aabd aabl aabm aaca aacb aacc aacd aacl aacm aacu aada aadc aadu aala aalc aald aall aalu aama aamb aamc aamd abaa abab abac abad abal abam abau abb- abba abbb abca abcb abcc abcd abcl abda abdu abla abma abmb abmc abua abud abul abum acaa acab acac acad acba acbl acca accc accd accm accu acda acdb acdc acdm acla aclc aclu acma acmc acmu acu- acul acum adaa adab adac adad adal adam adba adbc adcc adda addc addd addl addu adma admb adml adua adub alaa alac alad alal alam alau alb- alba albc albm albu alca alcc ald- alda aldl aldm all- alla alll allu alma almc almu alua alum amaa amac amad amal amam amb- amba ambu amca amcc amda amla amm- amma ammu amua amud amul amum auaa auca audc aul- aula auld aull aulu auma baaa baad baal baam baba babb babm babu bac- baca bacc bada badb badd badu bala balc bald ball balm balu bama bamb bamc baml bamm bamu bau- baud baul baum bbad bbau bbbb bbcm bbdd bblb bcaa bcam bcbc bcca bccc bccl bccm bcda bcma bcuc bdbc bddc blaa blab blac blad blam blau blcu bldc blub blud blum bmaa bmdb buad bual buba bubb bubu buca bucc bucu buda budb budd budl budu bula bulb buld bull bulu bum- buma bumb c-cd caaa caab caac caal caam caba cabu cac- caca cacc cacm cada cadc cadd cadm cadu cala calc cald call calm calu cama camb camc caml camm cauc caul caum cbac cbal cbbc cbca cbcc cbcl cbcm cbcu cbdb cbdc cblb cblc ccaa ccab ccac ccad ccam ccba ccbc ccca cccb cccc cccl cccm cccu ccdc ccdm ccla cclc cclm ccma ccmb ccmc ccmd ccmm ccuc cdaa cdac cdad cdba cdda cddb cddl cdma clab clad clam clau clcd cldc clmd club clud clum cmaa cmac cmba cmbc cmcc cmda cmdb cmla cmll cmmb cmmc cmml cuau cub- cuba cubb cuca cucc cucm cuda cula culb culc culd cull culm cum- cuma daab daad daal daam daau daba dabb dabu daca dada dadu dala dall dalu dama damb daml damm damu daub daud daum dbcc dcbc dcca dccb dccc dccl dccu dcdb dcma dcml dcmu dddd ddlc ddub dlab dlbd dmaa dmab dmac dmba dmcc dmcm dmdc duaa duab duad dual dub- duba dubb dubc dubu duca duda dudd dudu dula dulc dull dulu duma dumb dumm duul laaa laac laad laal laam laba labu laca lacc lacl lacu lada ladd ladu lala lald lall lalm lalu lama lamb lamd lamm lamu laub laud laul lbcc lbmc lcac lcad lcbc lcca lccc lccm lcdd lddm llcc lldb lldc lllc llll llud lmcc luau luba luca luda ludd lula lull lulu luma lumb lumc luua maaa maac maad maal maam maba mabu mac- maca macb macc macd macu mada madb madc madd mal- mala mald mall malm malu mama mamc mamu maua maud maul maum mbac mbam mbba mbca mbda mbdb mcaa mcac mcad mcba mcbc mcca mccc mccd mccl mcdc mcdd mcdl mcla mcmc mcml mdac mdca mdcc mdcl mddl mddm mdma mdmc mdud mlab mlba mlcc mmaa mmab mmac mmcc mmcd mmcl mmcm mmda mmdb mmdc mmdl mmmc mmmd mmmm muac muc- mucc mucu muda mudd mudl mudu mula muld mull mulm mulu muma mumm mumu uabc uaca uald uamc uaua ubac ubal ubba ubla ubud ucad ucal ucam ucbc ucca ucdc ucdd ucla ucmc ucua udaa udad udal udau udbc udca udma udmc ulaa ulad ulam ulbc ulcc ulla ulma ulmu ulua ulul ulum umaa umac umb- umba umla umma uulu uuuu

-aaa- -abad a-mac aaaam aaadc aabaa aabba aacbc aadac aadam aadma aalam abaab ababa ababu abaca abada abala aball abbac abbad abbud abcam abccc abcdb abdal abdul abuda abula abull acaca acacb acadl acadm acala acall