-hou a-ha aaaa aaab aaac aaah aaap aaar aaba aabb aabc aabh aabp aaca aacb aacc aach aaco aacp aacr aacu aaha aaoo aapa aapc aaph aapo aara aarc aaro aarp aaru aaup abaa abab abac abap abar abau abb- abba abbb abbo abbr abca abcb abcc abch abcp abcr abha abho abhr aboa abob aboh aboo abor abou abpa abpc abpp abpr abra abrc abro abua acaa acab acac acap acar acba acca accc acch acco accp accu acha achh acho achp achr achu acoa acoh acop acor acou acpa acpr acpu acr- acra acrc acro acrr acu- acuo acup acur ahab ahac ahah ahar ahau ahha ahoa ahop ahor ahpu ahra ahrc ahrr ahua aoah aoba aoca aopo aora aorb apac apah apao apap apar apba apbr apca apcb apcc apco apcr aph- apha aphc apo- apoc apoo apop apor apou appa appc apph appr appu apra aprc apro apua apuc apup arab arac arah arap arar arau arba arbh arc- arca arch arco arh- aroa arob aroo aror arpa arpu arr- arra arrc arrh arro arrr arru arua arub arup auaa auca auch aucp aupc aur- aura auro baaa baah baar baba babb babo babr babu bac- baca bacc bach baco baha baho bahr bahu baoh bapa bapc bapp bapu bar- bara barb barc barh baro barr baru bau- baur bbau bbbb bbch bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcor bcpp bcra bcru bcuc bcup bhao bhar bhca bhcc bhor bhra bhur bhuu boab boac boar boba bobb bobo bobu boca boch boco bocu boha boho bohr bohu boob booc booh boop boor bopa bopp bor- bora borh boro borr boru boua bouh boup bour bpcp bphc bprc brab brac brah brao brau brca brcb broa brob broc broh broo bror brou brrr bruc bruh brup buar buba bubb bubo bubu buca bucc buch buco bucu buha buho buhr bupa bupc bur- bura burb burh buro burp burr buru c-bo caaa caab caac caah caap caba cabo cabu cac- caca cacc cach caco cacr caha caor capa capb capc caph capo capp capu cara carb carc caro carp carr cauc cauo caup cbac cbar cbbc cbca cbcc cbcp cbcr cbcu cbha cbpc cbpp cbrh ccaa ccab ccac ccap ccar ccba ccbc ccca cccb cccc cccp cccu ccha cchp cchr ccob ccoc ccpa ccpp ccpr ccra ccrc ccrp ccuc ccup chaa chab chac chah chao chap char chau chbp chca chch chcp chha choc choh choo chop chor chou chpa chpp chpr chra chrb chrc chro chrp chrr chua chub chur coba cobb cobh cobo cobu coca coch coco cocp cocu coha coho coob cooh coop copa coph copo copp copr cor- cora corb corc coro corp corr coua coub coup cour cpaa cpac cpap cpbc cpca cpcu cpha cppa crab crac crap crar crau crbc crbu crca crcc crcr crob croc croh croo crop cror crpc crub crup cuau cub- cuba cubb cuca cucc cupo cupp cupr cura curb curo curr haab haar haba habo habu haco haha haho haor hapa happ hapu hara harc harh haro harp harr haru hau- hbar hboc hcap hcbc hcca hccb hccc hcch hcpc hcrp hhaa hhhh hhpa hhpc hoac hoap hoar hoba hobo hoca hoch hocr hoha hoho hoop hoor hopa hopo hopp hora horc horo horr houp hour hpac hpao hpcc hrac hrap hrob hrpc hrpp hrrc huac huah huba hubb hubo huch hucu huhu huor hupa hupp hura huro hurr huru huub oaau oahp oahu oaph oara obba obbo obor obra obrh obro obuh ocab ocac ocap ocbc occa occc ocha ocpa ocpp ocra ocro ocrr ocur ohau ohba ohcc ohho ohob ohoh ohra ooaa ooba oocr ooha ooho oooh oooo oora opah opap opar opca opo- opor oppa oppo opra opua orab orac orah orao orar orba orbb orbo orbu orca orch orco oro- oror orpc orph orra orro orub orup ouac oucc ouch oupa ouph our- oura ouro ouu- paap paar paba pabu paca pach paco pacu paha paho pahp pahu paoc paoh papa papb papp papr par- para parc paro parp parr paru paua pauh paup paur pbac pbar pbcc pboc pbpa pcaa pcap pcba pcbc pcca pccc pcha pchp pcoa pcpb pcpp pcra pcrc phah phar phcc phob phoh phoo phpa phrr phua poar poba pobo poca poch poco poha pooh poop poor pop- popa popc popo popp pora porb porc poro porr poup pour ppac ppap ppar ppcc ppoa pppa pppo pppp pprc ppru ppur prao prar prau prbc prca prcc prcp pro- proa prob proc proo prop prou pruu puah puao puar pubu puca puch puha pupa pupu pur- pura purb puro purp purr puru puuc raab raba rabb rabo rabu rac- raca racc rach raco racu raha rahr rahu raob raoc raoh raop rapa rapc raph rapp rara rarb raro raua raub rauc raup rbbb rbbr rboh rcac rcbc rcbo rccb rccc rchb rcpo rhap rhau rhcp rhoa rhob rhoc rhoh roab roap roar rob- roba robb robo robu roca rocc roch roco roha rohr rohu roob roop roor ropa ropo rora rorc roro roru roua roub rouh roup rpca rpho rpob rrah rrrr ruah ruba rubb rubp rubu ruca ruch ruhh ruhr rupa rupp rura rurc ruro rurp ruru u-rp uabc uaca uaoc uarc uaru uaua ubac ubar ubba ubbo uboc ubpc ubra ucar ucbc ucca uccp ucha ucho ucpa ucpb ucph ucrc ucua uhoh uhuh uhup uocc uor- upac upar upca upor uppa uppc uppp uppu upra upup urac urao urap urau urba urca urch urho uro- uroa uroo urpo urra urrh urup urur uucp uuoc uuuu