b-u bbb bbg bbi bbo bbr bbt bbu bgb bgg bgi bgo bgr bgt bgu bi- bib big bii bio bir bit biu bob bog boi boo bor bot bou brb brg bri bro brr brt bru btb btg bti bto btr btt btu bub bug bui buo bur but buu gbg gbi gbo gbr gbt gbu ggb ggg ggi ggo ggr ggt ggu gib gig gii gio gir git giu gob gog goi goo gor got gou grb grg gri gro grr grt gru gtb gtg gti gto gtr gtt gtu gu- gub gug gui guo gur gut guu ibb ibg ibi ibo ibr ibt ibu igb igg igi igo igr igt igu iib iii iio iir iit iiu io- iob iog ioi ioo ior iot iou ir- irb irg iri iro irr irt iru itb itg iti ito itt itu iu- iub iug iui iur iut o-i ob- obb obg obi obo obr obt obu ogg ogi ogo ogt oib oii oio oir oit oiu oo- oob oog ooi ooo oor oot or- orb org ori oro orr ort oru ot- otb otg oti oto otr ott otu ou- oui ouo our out rbb rbg rbi rbo rbr rbt rbu rgb rgg rgi rgo rgr rgt rib rig rii rio rir rit rob rog roi roo ror rot rou rrb rrg rri rrr rrt rru rtb rtg rti rto rtr rtt rtu rub rug rui ruo rur rut ruu tbb tbg tbi tbo tbr tbt tbu tgb tgg tgi tgo tgr tgt tgu tib tig tii tio tir tit tiu to- tob tog toi too tor tot tou trb trg tri tro trr trt tru ttb ttg tti tto ttr ttt ttu tub tug tui tuo tur tut tuu ubb ubg ubi ubo ubr ubt ubu ugb ugg ugi ugo ugr ugt ugu uib uig uii uio uir uit uiu uob uog uoo uor uot ur- urb urg uri uro urr urt uru utb uti uto utr utt utu uug uur uut uuu

bbbb bbrg bibb bibi bibo bigb bigg bigo bigt bigu bio- biog bioi biot biou birb birg biri biro birr birt biru bito bitt bitu bobb bobi bobo bobu bogg bogi bogo bogt boi- boii boit boiu boob boog boor boot bor- borg bori boro borr bort boru botb boti boto bott bour bout brig brio brit brob brog broo bror brot brou brrr brug brut btob btor btrt bttb bubb bubi bubo bubu bugg bugi bugo buir buit buiu bur- burb burg buri buro burr burt buru but- buti buto butt gbbo ggbt gggg gibb gigg gigi gigo giog gioi girg giri giro girr girt giru gito giur gobi gobo gogi gogo goit goog gooi goor goot gorb gorg gori goro gorr gort goti goto gott gou- goug gour gout grbr grib grig grit grob grog groi groo gror grot grou grrr grub grug grui grur grut gtbr gubb gubi gubu gugb gugg gugi gugu guib gurb gurg guri guro gurr gurt guru guti guto gutt gutu i-go ibot ibri ibro ibtb igbo igoo igor igot igri iiii iiio iiit iioi iioo iitr iitt iobi iogt ioii ioio ioit iooi iooo iorg iori ioto ioug iri- irig irio irob irri irti itgo itoi itoo itor itou itri itto itur iuiu obbo obit oboi obor obot obri obro ogb oggi ogog ogoi ogou ogri ogro ogui oigo oiii oirt oiti oobi oooo oort ootb orbb orbi orbo orbu orgo ori- orig orio orit oro- oror orot orri orro orto orub otit oto- otog otoo otor otro otti otto ottu otur ouii ouir ouit our- ouro ourt out- outb outi outo ouu- rbbb rbbr rgbi rgit rgtr rib- ribo ribu rigg rigi rigo rigu riot riou riri riti rito ritt ritu rob- robb robi robo robt robu rogg rogi rogo roig roio roir roit roiu roob roog rooi roor root rori roro rort roru rotg roti roto rotr rott roub rout rrrr rubb rubi rubu rugg rugi ruit ruri ruro ruru ruti ruto rutt rutu tbit tbrb tibi tibu tigi tigr tiit tiiu tiou tirb tiri tiro tirr tiru titi tito titt titu tobi tobo tobt tobu togo togr togt toit toor toot torg tori toro torr tort toru toti toto totr tott toug toui tour tout tri- trib trig trio trit trog troi troo trot trou trtr trub trug trut truu ttbb tttt tubb tubo tubr tubu tugg tugu tuig tuit tuiu tuor turb turg turi turo turr turt turu tuti tuto tutt tutu tuuo ubbi ubbo ubii ubir ubit uggo uggt ugri ugro ugur uguu uirr uor- urbi urgi urgu urib uriu uro- uroo urri urur urut utor utri utti utto uttu utug uuri uuuu

bibbo bibio bibri big-i bigig bigoo bigot birgi birgu birou birur bitgo bitit bitru bitti bitto bo-bo bobbi bobr bobri bogor bogot bogu bogur bogut boiro boito booit boort booru borbo borgo borgu borio boro- boroo borot borou borro borut botou botro botti bottu bourg bouri bouto brigg brigi briot briou brito britt brobo broto brout brrrr brugg bruit bruiu bruri btr-t bugit bugoo bugti burgi burgo burgu burio buroo burri burro burru burtt burut butit buto- butor butot butou butuo butut gbiti ggobi gibbi gibi- gigot giitu giour girru gitgo gitig gitit giubo go-go go-oo go-to gobbi gobbo gobig gobio gobir gobot gogoi gogro gogui goibo goito goobi goobo goout gorgo gorir gotit gotoo gotor gotri gotti gotto gotur grgur grigg griot grogg groit groot grott grout grrrr grubb gruit gruiu gruut gtrot gubbi gubbo gubio gubru guggi gugir guiot guiri guiro gurgi gurit guroo gurro gurur gutti i-bot ibbur ibibo ibogo iggri igigi igort igoto iiiii iitti iobit ioooi ioooo iorio iotit iotti irbit irobo irori irour irrit itbig itbit itigi itobi itour itout ittoo ittti itu-r itu-t ituri ituro ituru itutu o-r-b oboro obout ogiri ogogo ogugu oguri oirot oitti oobit ooioo ooooo orbit orbot oribi origi origo orito orobo orout orrgo ortoo oruro orutu otobi otori ototo otour ottir ottoi ottur oubit oubut ouigo ouir-