-hou a-ha aaaa aaab aaac aaah aaar aaba aabb aabc aabh aaca aacb aacc aach aaco aacr aacu aagh aaha aaoo aara aarc aaro aaru abaa abab abac abag abar abau abb- abba abbb abbo abbr abca abcb abcc abch abcr abha abho abhr aboa abob aboh aboo abor abou abra abrc abro abua abug acaa acab acac acag acar acba acca accc acch acco accu acga acgr acha achh acho achr achu acoa acog acoh acor acou acr- acra acrc acro acrr acu- acuo acur ag-o agac agag agao agar agau agba agbo agca agcc agco agga aggu agha agob agog agoo agou agra agro agua agur ahab ahac ahah ahar ahau ahha ahoa ahog ahor ahra ahrc ahrr ahua ahug aoah aoba aoca aora aorb arab arac arag arah arar arau arba arbh arc- arca arch arco arga argb argh argo arh- aroa arob aroo aror arr- arra arrc arrg arrh arro arrr arru arua arub arug auaa auca auch auga aur- aura auro auug baaa baah baar baba babb babo babr babu bac- baca bacc bach baco baga bagg bagh bago baha baho bahr bahu baoh bar- bara barb barc barg barh baro barr baru bau- baug baur bbau bbbb bbch bbga bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcor bcra bcru bcuc bgca bhag bhao bhar bhca bhcc bhog bhor bhra bhur bhuu boab boac boag boar boba bobb bobo bobu boca boch boco bocu boga bogg bogh bogo boha boho bohr bohu boob booc boog booh boor bor- bora borg borh boro borr boru boua bouh bour brab brac brag brah brao brau brca brcb broa brob broc brog broh broo bror brou brrr bruc brug bruh buar buba bubb bubo bubu buca bucc buch buco bucu buga bugg bugh bugo buha buho buhr bur- bura burb burg burh buro burr buru c-bo caaa caab caac caah caba cabg cabo cabu cac- caca cacc cach caco cacr caga cagg cago cagr caha caor cara carb carc caro carr cauc cauo cbac cbar cbbc cbca cbcc cbcr cbcu cbga cbgb cbha cbrh ccaa ccab ccac ccag ccar ccba ccbc ccca cccb cccc cccu ccga ccgc ccha cchr ccob ccoc ccra ccrc ccrg ccuc cgac cgcc cgcg cgro chaa chab chac chag chah chao char chau chca chch chgb chha choc choh choo chor chou chra chrb chrc chro chrr chua chub chug chur coag coba cobb cobh cobo cobu coca coch coco cocu cogh cogo coha coho coob cooh cor- cora corb corc corg coro corr coua coub cour crab crac crag crar crau crbc crbu crca crcc crcr crob croc croh croo cror crub crug cuau cub- cuba cubb cuca cucc cuga cura curb curo curr gaar gaba gabb gabo gabr gabu gach gaga gagg gago gagu gaha gaoh gara garb garg garo garr gaua gaub gaur gbag gbbo gc-c gcaa gcbc gccc gcoa gcrg gggg gghg ghar ghug goar goba gobo goca goch gocr goga gogh gogo goha gohb goog goor gora gorb gorg goro gorr gou- goug gour grab grac grau grbr grcc grob groc grog groh groo gror grou grrr grua grub grug grur guaa guac guag guao guar guba gubb gubu guca guch guga gugb gugg gugh gugu guha guhr gura gurb gurg gurh guro gurr guru haab haag haar haba habo habu haco hag- haga hagg hagh hago haha haho haor hara harc harh haro harr haru hau- haug hbag hbar hboc hcbc hcca hccb hccc hcch hcgh hgah hgar hggc hhaa hhgg hhhh hoac hoag hoar hoba hobo hoca hoch hocr hoga hogg hogh hogo hogu hoha hoho hoor hora horc horg horo horr hour hrac hrob hrrc huac huah huba hubb hubo huch hucu hugg hugh hugo huhu huor hura huro hurr huru huub oaau oahu oara obba obbo obor obra obrh obro obuh ocab ocac ocbc occa occc ocga ocha ocra ocro ocrr ocur ogar ogb ogba ogoa ogog ogou ogra ogro ohau ohba ohcc ohgr ohho ohob ohoh ohra ooaa ooba oocr ooha ooho oooh oooo oora orab orac orah orao orar orba orbb orbo orbu orca orch orco orga orgo oro- oror orra orro orub ouac oucc ouch ough our- oura ouro ouu- raab raag raba rabb rabo rabu rac- raca racc rach raco racu raga ragg ragh rago ragu raha rahr rahu raob raoc raoh rara rarb raro raua raub rauc rbbb rbbr rbgh rboh rcac rcbc rcbo rccb rccc rcga rcgc rchb rcrg rgba rhag rhau rhbg rhcg rhoa rhob rhoc rhog rhoh rhug roab roag roar rob- roba robb robo robu roca rocc roch roco roga rogg rogh rogo roha rohr rohu roob roog roor rora rorc roro roru roua roub rouh rrah rrrr ruag ruah ruba rubb rubu ruca ruch ruga rugg rugh ruhh ruhr rura rurc ruro ruru uabc uaca uaoc uarc uaru uaua ubac ubar ubba ubbo uboc ubra ucar ucbc ucca ucha ucho ucrc ucua ugab ugao ugar ugcc ugcg uggo ugra ugro ugur uguu uhoh uhuh uocc uor- urac urao urau urba urca urch urga urgh urgu urho uro- uroa uroo urra urrh urur uuoc uuuu