-hou bbbb bbch bbrc bbrg bcbc bcbg bccc bcor bcru bctc bcuc bght bhcc bhog bhor bhot bhrt bhur bhut bhuu bobb bobo bobu boch boco bocu bogg bogh bogo bogt boho bohr boht bohu boob booc boog booh boor boot bor- borg borh boro borr bort boru botb both boto bott bouh bour bout brcb brob broc brog broh broo bror brot brou brrr brtc bruc brug bruh brut btcc btob btor btrc btrt bttb bubb bubo bubu bucc buch buco bucu bugg bugh bugo buho buhr bur- burb burg burh buro burr burt buru but- buto butt c-bo cbbc cbcc cbcr cbct cbcu cbgb cbot cbrh cbrt cbtc ccbc cccb cccc cccu ccgc ccgt cchr ccob ccoc ccrc ccrg ccrt cctb cctc cctt ccuc ccut cgcc cgcg cgro cgtu chch chgb choc choh choo chor chou chrb chrc chro chrr chrt chto chtr chtt chub chug chur chut cobb cobh cobo cobu coch coco coct cocu cogh cogo coho coob cooh coot cor- corb corc corg coro corr cort cotb cotc coth coto cott cotu coub cour cout crbc crbu crcc crcr crob croc croh croo cror crot crrt crtc crub crug crut ctgu ctor ctot ctrc cub- cubb cucc curb curo curr curt cut- cutc cuth cuto cutt gbbo gc-c gcbc gccc gcrg gctc ggbt gggg gghg ghug gobo goch gocr gogh gogo gohb goog goor goot gorb gorg goro gorr gort goth goto gott gou- goug gour gout grbr grcc grob groc grog groh groo gror grot grou grrr grtc grub grug grur grut gtbr gtco gtcr gubb gubu guch gugb gugg gugh gugu guhr gurb gurg gurh guro gurr gurt guru guth guto gutt gutu hboc hbtu hcbc hccb hccc hcch hcgh hggc hgtc hhgg hhhh hobo hoch hocr hogg hogh hogo hogu hoho hoor hoot horc horg horo horr hort hotb hoth hoto hotr hott hotu hour hout hrob hrrc hrtb htcc htoh httr hubb hubo huch hucu hugg hugh hugo huhu huor huot huro hurr hurt huru huth huto hutt hutu huub obbo obor obot obrh obro obuh ocbc occc occt ocht ocro ocrr oct- octo ocur ogb oght ogog ogou ogro ohcc ohgr ohho ohob ohoh ohto ohtu oocr ooho oooh oooo oort ootb orbb orbo orbu orch orco orgo oro- oror orot orro ortc orth orto orub otho othr oto- otog otoh otoo otor otro otto ottu otur oucc ouch ough our- ouro ourt out- outb outh outo ouu- rbbb rbbr rbgh rboh rcbc rcbo rccb rccc rcgc rchb rcrg rctc rctg rgtr rhbg rhcg rhob rhoc rhog rhoh rhug rob- robb robo robt robu rocc roch roco rogg rogh rogo rohr rohu roob roog roor root rorc roro rort roru rotc rotg roth roto rotr rott roub rouh rout rrrr rtcc rtcg rubb rubu ruch ruct rugg rugh ruhh ruhr rurc ruro ruru ruth ruto rutt rutu tbcb tbcc tbrb tccc tccu tch- tchh tcho tchr tchu tctc tgcc tgtc thch thog thoo thor thot thou thro thru thtb thtr thug thur tobo tobt tobu toch toco togh togo togr togt toho tohu tooh toor toot torc torg toro torr tort toru totc toth toto totr tott toug touh tour tout trcc troc trog troo trot trou trtc trtr trub truc trug trut truu ttbb tttt tubb tubo tubr tubu tucc tuch tuco tugg tugh tugu tuht tuhu tuor turb turc turg turo turr turt turu tuto tutt tutu tuuo ubbo uboc ucbc ucho ucrc ucut ugcc ugcg uggo uggt ugro ugur uguu uhoh uhuh uocc uor- urch urgh urgu urho uro- uroo urrh urth urur urut utor utto uttu utug uuoc uuuu