bbbb bbpr bibb bibi bibo bimo bio- bioi biot bipm bipp birb biri biro birr birt bito bitt bmir bmmi bmop bmpt bobb bobi bobo boi- boii boim boit bomb bomi bomp bomt boob boom boop boor boot bopp bor- bori borm boro borr bort botb boti boto bott bpot bpti brim brio brit brob brom broo bror brot brrm brrr btbp btob btor btrt bttb ibbm ibim ibmp ibot ibri ibro ibtb iiii iiio iiit iioi iioo iiop iipm iitm iitr iitt imbi imir imit immi immo immt impi impr impt imri imro imrr imto iobi ioii ioio ioit iomo iooi iooo iori ioto ipmi ipmp ipop ippo ippr ipri ipto irbm irbp iri- irio irip irmo irob irop irri irti irtp itim itmo itoi itoo itor itri itto mbim mbio miii miio miit mim- mimi mimo mimp mio- mipi mipr mipt miri miro mirr mirt mit- mitb miti mitm mito mitt mmii mmmm mmor mmpi mmpr mmrp mobb mobi mobo moii moio moir moit momi momo moob moop moor moot mopp morb mori moro mort motb moti motm moto mott mpio mpir mpit mppp mpri mpro mprp mptp mrbb mrbm mrtm mrtt mtbo mtom mtor mtrr mttr obbo obit oboi obor obot obri obro oiii oimb oirt oiti ombo omim omio omit omo- omoi omoo omor ompt omri omro oobi oooo oort ootb ootp opii opio opit opo- opor oppi oppo opti opto orbb orbi orbo ori- orio orit ormo oro- orom oror orot orpi orri orro orto otit oto- otoo otor otpp otro otti otto pbmr pibb pibi piip pimi pimp pimt piob piot pipi pipo pipp piri piro pirr piti pito pitr pitt pmbr pmip pmmp pmoi pmpm pmpo pmrt pobo poio pomi pomo pomp poop poor poot pop- popi popo popp popt porb pori poro porr port poti poto pott ppib pppo pppp pprm pptt pri- prii prim pro- prob prom proo prop prot prri prrm prti prtm prtp prtr ptmp ptop rbbb rbbr rib- ribo rimi rimm rimo riom riot ripi ripp ripr ript riri riti rito ritt rmrp rob- robb robi robo robt roio roir roit romb romi romm romo romp roob rooi room roop roor root ropo rori roro rort roti roto rotr rott rpii rpob rrmp rrrr rtmi rtmp rttp t-mo tbit tbrb tbtp tibi tiit timi timm timo timp tiop tip- tipi tipo tipp tipt tirb tiri tiro tirr titi tito titp titt tmbr tmro tmtt tobi tobo tobt toit tomb tomi tomm tomo tomp tomt toom toor toot top- topi topo topp topt tori torm toro torp torr tort toti totm toto totr tott tpir tpmt tppp tppr tptp tptr tri- trib trim trio trip trit trmb trmi troi trom troo trop trot trpm trpp trtr ttbb ttim ttop tttt