-th b-u bbb bbc bbh bbk bbm bbo bbr bbt bbu bcb bcc bch bck bcm bco bcr bct bcu bhb bhc bhh bhk bhm bho bhr bht bhu bkb bkc bkk bkm bko bkr bkt bmb bmc bmh bmk bmm bmo bmr bmt bmu bob boc boh bok bom boo bor bot bou brb brh brk brm bro brr brt bru btb btc bth btk btm bto btr btt btu bub buc buh buk bum buo bur but buu c-- cbb cbc cbh cbk cbm cbo cbr cbt cbu ccb ccc cch cck ccm cco ccr cct ccu ch- chb chc chh chk chm cho chr cht chu ckb ckc ckh ckm cko ckt cmb cmc cmh cmk cmm cmo cmr cmt cmu co- cob coc coh cok com coo cor cot cou crb crc crh crk crm cro crr crt cru ctb ctc cth ctk ctm cto ctr ctt ctu cub cuc cuh cuk cum cuo cur cut cuu hbb hbc hbh hbk hbm hbo hbr hbt hbu hcb hcc hch hck hcm hco hcr hct hhb hhc hhh hhk hhm hho hhr hht hhu hkb hkh hkk hkm hko hkr hkt hku hmb hmc hmh hmk hmm hmo hmr hmt hmu hob hoc hoh hok hom hoo hor hot hou hr- hrb hrc hrh hrk hrm hro hrr hrt hru htb htc hth htk htm hto htr htt hub huc huh huk hum huo hur hut huu k-t kbb kbc kbh kbk kbm kbo kbr kbu kcb kcc kch kck kcm kcr kct kcu khh khk khm kho khr khu kkb kkc kkh kkk kkm kkr kkt kku kmb kmc kmh kmk kmm kmo kmt kmu kob koc koh kok kom koo kor kot kou krc krk kro krr krt kru ktb ktc kth ktk ktm kto ktr ktt ktu kub kuc kuh kuk kum kur kut kuu m-o m-r mbb mbc mbh mbk mbm mbo mbr mbt mbu mc- mcb mcc mch mck mcm mco mcr mct mcu mhc mhh mhk mhm mho mhr mht mhu mkb mkc mkh mkk mkm mko mkr mkt mku mmb mmc mmh mmk mmm mmo mmr mmt mmu mob moc moh mok mom moo mor mot mou mrb mrc mrh mrk mrm mro mrr mrt mru mtb mtc mth mtk mtm mto mtr mtt mtu mub muc muh muk mum mur mut muu ob- obb obc obh obk obm obo obr obt obu oc- ocb occ och ock ocm oco ocr oct ocu ohc ohh ohm oho ohr oht ohu okb okc okk oko okr oku om- omb omc omh omm omo omr omt omu oo- oob ooc ooh ook oom ooo oor oot or- orb orc orh ork orm oro orr ort oru ot- otb otc oth otk otm oto otr ott otu ou- ouc ouh ouk oum ouo our out rbb rbc rbh rbk rbm rbo rbr rbt rbu rcb rcc rch rcm rco rcr rct rcu rh- rhb rhc rhh rhm rho rhr rht rhu rkb rkc rkk rkm rko rkt rku rmb rmc rmh rmm rmo rmr rmt rob roc roh rok rom roo ror rot rou rrb rrc rrh rrk rrm rrr rrt rru rtb rtc rtk rtm rto rtr rtt rtu rub ruc ruh ruk rum ruo rur rut ruu tbb tbc tbh tbk tbm tbo tbr tbt tbu tcb tcc tch tck tcm tco tcr tct tcu th- thb thc thh thk thm tho thr tht thu tkb tkc tkk tkm tko tkr tkt tmb tmc tmh tmk tmm tmo tmr tmt tmu to- tob toc toh tok tom too tor tot tou trb trc trh trk trm tro trr trt tru ttb ttc tth ttk ttm tto ttr ttt ttu tub tuc tuh tuk tum tuo tur tut tuu ubb ubc ubh ubk ubo ubr ubt ubu ucb ucc uch uck ucm uco ucr uct ucu uhb uhc uhh uhm uho uhr uht uhu ukb ukc ukk ukr uku um- umb umc umh umm umo umr umt umu uob uoc uok uom uoo uor uot ur- urb urc urk urm uro urr urt uru utb utc uth utk utm uto utr utt utu uuc uum uur uut uuu