bbbb bbgm bbmg bbrg bibb bibi bibo bigb bigg bigo bigt bigu bimo bio- biog bioi biot biou birb birg biri biro birr birt biru bito bitt bitu bmir bmmi bobb bobi bobo bobu bogg bogi bogo bogt boi- boii boim boit boiu bomb bomi bomt bomu boob boog boom boor boot bor- borg bori borm boro borr bort boru botb boti boto bott boum bour bout brig brim brio brit brob brog brom broo bror brot brou brrm brrr brug brum brut btob btor btrt bttb bubb bubi bubo bubu bugg bugi bugo buir buit buiu bum- bumb bur- burb burg buri burm buro burr burt buru but- buti buto butt gbbo ggbt gggg gibb gigg gigi gigo gimo giog gioi girg giri giro girr girt giru gito giur gmit gmmr gobi gobo gogi gogo goit gomb gomi gomo gomu goog gooi goom goor goot gorb gorg gori gorm goro gorr gort goti gotm goto gott gou- goug goum gour gout grbr grib grig grim grit grmt grob grog groi grom groo gror grot grou grrr grub grug grui grum grur grut gtbr gubb gubi gubu gugb gugg gugi gugu guib gumb gumi gumm gumo gurb gurg guri guro gurr gurt guru guti guto gutt gutu i-go ibbm ibim ibot ibri ibro ibtb igbo igoo igor igot igri iiii iiio iiit iioi iioo iitm iitr iitt iium imbi imir imit immi immo immt imou imri imro imrr imto iobi iogt ioii ioio ioit iomo iooi iooo iorg iori ioto ioug irbm irgm iri- irig irio irmo irob irri irti itgo itim itmo itoi itoo itor itou itri itto itum itur iuiu mbim mbio mbou mgit mgmt mgrm migg migi migo migu miii miio miit mim- mimi mimo mio- mirg miri miro mirr mirt miru mit- mitb miti mitm mito mitt mitu miui mmii mmmm mmor mobb mobi mobo mogg mogi mogo mogu moii moio moir moit momi momo momu moob moog moor moot morb morg mori moro mort moru motb moti motm moto mott motu mour mout mrbb mrbm mrtm mrtt mtbo mtom mtor mtrr mttr mubi mubo mugg mugi mugo mugu muir muit mumm mumo mumu murg muri muro murr murt muru muti muto mutt mutu muut obbo obit oboi obor obot obri obro ogb oggi ogog ogoi ogou ogri ogro ogui ogum oigo oiii oimb oirt oiti oium ombo ombu omim omio omit omo- omoi omoo omor omri omro omuo oobi oooo oort ootb orbb orbi orbo orbu orgo ori- orig orio orit ormo oro- orom oror orot orri orro orto orub orum otit oto- otog otoo otor otro otti otto ottu otur ouii ouir ouit oumi our- ouro ourt out- outb outi outo ouu- rbbb rbbr rgbi rgit rgtr rib- ribo ribu rigg rigi rigo rigu rimi rimm rimo rimu riom riot riou riri riti rito ritt ritu rmrg rmtu rob- robb robi robo robt robu rogg rogi rogo roig roio roir roit roiu romb romi romm romo roob roog rooi room roor root rori roro rort roru rotg roti roto rotr rott roub roum rout rrrr rrum rtmi rubb rubi rubu rugg rugi ruit rumb rumi rumm rumo rumt ruri ruro ruru ruti ruto rutt rutu t-mo tbit tbrb tibi tibu tigi tigm tigr tiit tiiu timi timm timo timu tiou tirb tiri tiro tirr tiru titi tito titt titu tium tmbg tmbr tmou tmro tmtt tobi tobo tobt tobu togo togr togt toit tomb tomg tomi tomm tomo tomt toom toor toot torg tori torm toro torr tort toru toti totm toto totr tott toug toui toum tour tout tri- trib trig trim trio trit trmb trmi trmu trog troi trom troo trot trou trtr trub trug trut truu ttbb ttim tttt tubb tubo tubr tubu tugg tugu tuig tuim tuit tuiu tumb tumi tumu tuor turb turg turi turm turo turr turt turu tuti tuto tutt tutu tuum tuuo ubbi ubbo ubii ubir ubit uggo uggt ugri ugro ugur uguu uirr umb- umbi umbo umgo umit ummg ummo umor umri umut uomo uor- urbi urgi urgu urib urim uriu urmi uro- urom uroo urri urum urur urut utmb utor utri utti utto uttu utug uuri uuuu