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a-be a-ha a-wa aaaa aaab aaac aaae aaah aaar aaba aabb aabc aabh aabw aaca aacb aacc aace aach aacr aaea aaec aaha aara aarc aare aaww abaa abab abac abae abar abaw abb- abba abbb abbe abbr abca abcb abcc abch abcr abcw abec abee aber abha abhr abra abrc abwa abwe abwh abwr acaa acab acac acae acar acba acca accc acce acch ace- acea acec aceh acer acha ache achh achr acr- acra acrc acre acrr acwa acww aeac aecb aeer aer- aera aerc ahab ahac ahah ahar ahha ahra ahrc ahre ahrr ahwa arab arac arae arah arar araw arba arbe arbh arc- arca arce arch area arec aree areh arew arh- arr- arra arrc arre arrh arrr arwa arwe awac awae awar awbe awe- aweb awee awer awre awwa baaa baah baar baba babb babe babr bac- baca bacc bace bach baer baha bahr bar- bara barb barc bare barh barr baw- bawe bbbb bbch bbeb bbrc bbwc bbwr bcaa bcar bcbc bcca bccc bcec bcer bche bcra beah bear beaw beba bebb bebe beca bech beeb beer behr bera berc bere berr bewa bewe bewh bhar bhca bhcc bher bhra brab brac brae brah braw brca brcb brce brcw brea breb brec bree brer brew brrr brwe bwaa caaa caab caac caah caba cabe cac- caca cacc cace cach cacr cacw caec caer caha cahe cara carb carc care carr cbac cbar cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbha cbre cbrh cbwa ccaa ccab ccac ccar ccba ccbc ccca cccb cccc ccee ccha cche cchr ccra ccrc ccre ceac cear ceba cec- ceca cece ceeb ceec cer- cera cerc cere cewa cewe chaa chab chac chae chah char chaw chca chce chch chea cheb chec chee cheh cher chew chha chra chrb chrc chrr chrw crab crac crar craw crbc crca crcc crce crcr cre- crea creb crec cree creh crew cwac cweb cwer cwrw eaba eabh eaca eacc each eaec eara earb eare earh earw ebac ebba ebbc ebbr ebbw ebcc eber ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce echa eche ecra ecrc ecrr ecwa eeca eeea eeee eera eerc eewh ehaa ehcc ehea eheh eher ehre ehwa erba erbb erbe erca ercc erce erch ereb erec erer erew erhc erra errc erre ewah ewer ewew ewre haab haar haba habe hace haec haha hara harc hare harh harr hawa hawc hawe hbar hcaw hcbc hcca hccb hccc hcch heah hear heaw hebb hebe hebr heca hech hecw heeb heer hehe hera herb herc here herr hewe hhaa hhhh hrac hree hrrc raab raba rabb rabe rac- raca racc race rach raec raer raha rahe rahr rara rarb rare rawa rawe rawr raww rbbb rbbr rcac rcbc rccb rccc rchb rea- reac reae rear reba rebb rebe reca recc rece rech recr reeb reha rehb rehe rera rere rewa rewe rhae rhaw rhce rhea rheb rhee rrah rrrr rwch waaa waac waah waar waaw waba wabb wabc wabe wabh wabr wabw waca wacb wacc wace wach waeb waec waee waer waew waha wahb wahe wahr war- wara warb warc ware warh warr warw wawa wawb wawc wawe wbaa wbab wbac wbae wbar wbbb wbbe wbbr wbbw wbca wbcb wbce wbch wbcr wbcw wbea wbeb wbec wber wbew wbha wbhb wbhc wbhh wbhr wbhw wbrb wbrc wbrh wbrr wbrw wbwb wbwc wcab wcae wcar wcba wcbc wcbe wcbh wcbr wcbw wcca wccb wccc wcce wcch wccr wccw wceb wcec wcee wceh wcer wcha wchb wchc wche wchr wcra wcrb wcrc wcre wcrh wcrr wcrw wcwa wcwb wcwc weaa weac weah wear webb webc webe weca wecb wecc wech wecr wecw weeb weec weer weha wehc wehh wehr wer- wera werb werc were werh werr werw wewc wewe whaa whab whac whae whar whaw whbb whbc whbe whbr whca whcb whcc whce whcr whea wheb whec whee wher whew whhb whhh whhr whhw whr- whrb