-wal a-wa aaaa aaab aaac aaal aaar aaba aabb aabc aabl aabw aaca aacb aacc aacl aacr aacu aala aalc aall aalu aara aarc aaru aauw aaww abaa abab abac abal abar abau abaw abb- abba abbb abbr abca abcb abcc abcl abcr abcw abla abra abrc abua abul abwa abwr abwu acaa acab acac acar acba acbl acca accc accu acla aclc aclr aclu acr- acra acrc acrr acu- acul acur acwa acwl acww alaa alac alal alar alau alaw alb- alba albc albu alca alcc all- alla alll allr allu alua alur alwc arab arac aral arar arau araw arba arc- arca arla arr- arra arrc arrr arru arua arub arul arwa auaa auca aul- aula aull aulu aur- aura auwa awac awal awar awlu awwa baaa baal baar baba babb babr babu bac- baca bacc bala balc ball balu bar- bara barb barc barr baru bau- baul baur baw- bawl bawu bbau bbbb bblb bbrc bbwc bbwr bcaa bcar bcbc bcca bccc bccl bcra bcru bcuc blaa blab blac blau blaw blcu blrc blub blur blw- brab brac brau braw brca brcb brcw brrr bruc bual buar buba bubb bubu buca bucc bucu bula bulb bull bulu bur- bura burb burl burr buru buwa bwaa caaa caab caac caal caba cabu cac- caca cacc cacr cacw cala calc call calu calw cara carb carc carl carr cauc caul cawl cawu cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbcu cblb cblc cbrl cbwa ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccl cccu ccla cclc ccra ccrc ccrl ccuc clab clar clau claw clra club crab crac crar crau craw crbc crbu crca crcc crcr crub cuau cub- cuba cubb cuca cucc cula culb culc cull cura curb curl curr cwac cwbl cwla cwrw laaa laac laal laar laba labr labu laca lacc lacl lacu lala lall lalu lara larb larc larr laru laub laul laur lawa lawl lbar lbcc lblr lcac lcaw lcbc lcca lccc lcra lcrl llcc lllc llll lrac lral lrba lrrc lrrr luau luba luca lula lull lulu lura luua luwr luwu raab raba rabb rabl rabu rac- raca racc racu rala ralb rall rara rarb raua raub rauc raul rawa rawl rawr rawu raww rbbb rbbr rbcl rcac rcbc rccb rccc rlab rlua rlwc rrrr ruba rubb rubu ruca rula rull rura rurc ruru ruwa uabc uaca uarc uaru uaua ubac ubal ubar ubba ubla ubra ucal ucar ucbc ucca ucla ucrc ucua ulaa ular ulbc ulcc ulla ullr ulua ulul urac ural urau urba urca urla urra urur urwa uulu uuuu waaa waac waal waar waaw waba wabb wabc wabl wabr wabw waca wacb wacc wacl wala walb walc wall walr walu war- wara warb warc warl warr waru warw waub wauc waul waur wawa wawb wawc wawl wbaa wbab wbac wbal wbar wbau wbbb wbbl wbbr wbbw wbca wbcb wbcl wbcr wbcu wbcw wblb wblc wbll wblu wblw wbrb wbrc wbrr wbru wbrw wbuc wbul wbuw wbwb wbwc wbwl wcab wcal wcar wcau wcba wcbc wcbl wcbr wcbu wcbw wcca wccb wccc wccl wccr wccu wccw wcla wclb wclc wcll wclr wclu wclw wcra wcrb wcrc wcrl wcrr wcru wcrw wcua wcub wcur wcuw wcwa wcwb wcwc wlaa wlab wlac wlar wlau wlaw wlbb wlbc wlbl wlbr wlbw wlca wlcc wlcl wlcr wlcu wlla wlll wllr wllw wlra wlrb wlrc wlrr wlrw wlub wlur wluw wlwc wlwl wraa wrab wrac wral wrar wrau wraw wrba wrbb wrbc wrbl wrbu wrbw wrca wrcb wrcl wrcr wrcw wrla wrlb wrlc wrll wrlr wrlu wrra wrrb wrrc wrrl wrrw wrua wrub wruc wrul wrwa wrwb wrwc wrwr wuab wuaw wuba wubb wubl wubr wubu wucl wucw wula wulc wull wulr wulu wur- wura wurb wurc wurl wuub wuuu wuwa wwab wwac wwba wwbb wwbc wwbl wwbr wwbu wwca wwcb wwcl wwcr wwcu wwcw wwlb wwlc wwll wwlr wwlu wwlw wwra wwrb wwrc wwrl wwrr wwru wwrw wwwa wwwc wwwl wwwr wwww