-al a-a a-b a-c aaa aab aac aal aam aar aau ab- aba abb abc abl abm abr abu ac- aca acb acc acl acm acr acu al- ala alb alc all alm alr alu ama amb amc aml amm amr amu ar- ara arb arc arl arm arr aru au- aua aub auc aul aum aur b-u baa bab bac bal bam bar bau bba bbb bbc bbl bbm bbr bbu bca bcb bcc bcl bcm bcr bcu bla blb blc bll blm blr blu bma bmb bmc bml bmm bmr bmu bra brb brl brm brr bru bua bub buc bul bum bur buu c-- caa cab cac cal cam car cau cba cbb cbc cbl cbm cbr cbu cca ccb ccc ccl ccm ccr ccu cl- cla clb clc cll clm clr clu cma cmb cmc cml cmm cmr cmu cra crb crc crl crm crr cru cua cub cuc cul cum cur cuu la- laa lab lac lal lam lar lau lba lbb lbc lbl lbm lbr lbu lca lcb lcc lcl lcm lcr lcu lla llb llc lll llm llr llu lma lmb lmc lml lmm lmr lmu lra lrb lrc lrm lrr lru lua lub luc lul lum lur luu m-r maa mab mac mal mam mar mau mba mbb mbc mbl mbm mbr mbu mc- mca mcb mcc mcl mcm mcr mcu mla mlb mlc mll mlm mlr mlu mma mmb mmc mml mmm mmr mmu mra mrb mrc mrl mrm mrr mru mua mub muc mul mum mur muu ra- raa rab rac ral ram rar rau rba rbb rbc rbl rbm rbr rbu rca rcb rcc rcl rcm rcr rcu rla rlc rll rlm rlr rlu rma rmb rmc rml rmm rmr rra rrb rrc rrl rrm rrr rru rua rub ruc rum rur ruu ua- uaa uab uac ual uam uar uau uba ubb ubc ubl ubr ubu uca ucb ucc ucl ucm ucr ucu ula ulb ulc ull ulm ulr ulu um- uma umb umc uml umm umr umu ur- ura urb urc url urm urr uru uua uuc uum uur uuu

aaaa aaab aaac aaal aaam aaar aaba aabb aabc aabl aabm aaca aacb aacc aacl aacm aacr aacu aala aalc aall aalu aama aamb aamc aamr aara aarc aarm aaru abaa abab abac abal abam abar abau abb- abba abbb abbr abca abcb abcc abcl abcr abla abma abmb abmc abra abrc abua abul abum acaa acab acac acar acba acbl acca accc accm accu acla aclc aclr aclu acma acmc acmu acr- acra acrc acrm acrr acu- acul acum acur alaa alac alal alam alar alau alb- alba albc albm albu alca alcc all- alla alll allr allu alma almc almu alua alum alur amaa amac amal amam amar amb- amba ambr ambu amca amcc amla amm- amma ammu amra amrc amrl amua amul amum amur arab arac aral aram arar arau arba arc- arca arcm arla arma armc arml armm armu arr- arra arrc arrr arru arua arub arul arum auaa auca aul- aula aull aulu auma aur- aura baaa baal baam baar baba babb babm babr babu bac- baca bacc bala balc ball balm balu bama bamb bamc baml bamm bamu bar- bara barb barc barm barr baru bau- baul baum baur bbau bbbb bbcm bblb bbrc bcaa bcam bcar bcbc bcca bccc bccl bccm bcma bcra bcru bcuc blaa blab blac blam blau blcu blrc blub blum blur bmaa brab brac bram brau brca brcb brmc brrm brrr bruc brum bual buar buba bubb bubu buca bucc bucu bula bulb bull bulu bum- buma bumb bur- bura burb burl burm burr buru caaa caab caac caal caam caba cabu cac- caca cacc cacm cacr cala calc call calm calu cama camb camc caml camm cara carb carc carl carm carr cauc caul caum cbac cbal cbar cbbc cbca cbcc cbcl cbcm cbcr cbcu cblb cblc cbrl cbrm ccaa ccab ccac ccam ccar ccba ccbc ccca cccb cccc cccl cccm cccu ccla cclc cclm ccma ccmb ccmc ccmm ccra ccrc ccrl ccuc clab clam clar clau clra club clum cmaa cmac cmba cmbc cmcc cmla cmll cmmb cmmc cmml cmra cmrr crab crac cram crar crau crbc crbu crca crcc crcr crmb crub crum cuau cub- cuba cubb cuca cucc cucm cula culb culc cull culm cum- cuma cura curb curl curr laaa laac laal laam laar laba labr labu laca lacc lacl lacu lala lall lalm lalu lama lamb lamm lamr lamu lara larb larc larm larr laru laub laul laur lbar lbcc lblr lbmc lcac lcbc lcca lccc lccm lcra lcrl llcc lllc llll lmcc lmmr lrac lral lram lrba lrmc lrrc lrrr luau luba luca lula lull lulu luma lumb lumc lura luua maaa maac maal maam maar maba mabu mac- maca macb macc macr macu mal- mala mall malm malu mama mamc mamu mar- mara marc marl marm marr maru maua maul maum maur mbac mbam mbba mbca mcaa mcac mcba mcbc mcca mccc mccl mcla mcmc mcml mcrc mlab mlba mlcc mmaa mmab mmac mmar mmcc mmcl mmcm mmmc mmmm mmrc mr-c mrac mrbb mrbm mrca mrcb mrcc mrmc mrml mrrc muac muar muc- mucc mucu mula mull mulm mulu muma mumm mumu mura murc murl murr muru raab raam raba rabb rabl rabu rac- raca racc racu rala ralb rall rama ramb raml ramm ramu rara rarb raua raub rauc raul raum rbbb rbbr rbcl rcac rcbc rccb rccc rlab rlml rlua rmll rrmc rrrr rrum ruba rubb rubu ruca rula rull ruma rumb ruml rumm rura rurc ruru uabc uaca uamc uarc uaru uaua ubac ubal ubar ubba ubla ubra ucal ucam ucar ucbc ucca ucla ucmc ucrc ucua ulaa ulam ular ulbc ulcc ulla ullr ulma ulmu ulua ulul ulum umaa umac umar umb- umba umla umma umra urac ural urau urba urca urla urma urra urum urur uulu uuuu

-aaa- a-mac a-ram aaaam aaarc aabaa aabba aabra aacbc aalam aamra aaram aarau aarma abaab ababa