-ol -th b-u bbb bbc bbh bbk bbl bbo bbs bbt bbu bcb bcc bch bck bcl bco bcs bct bcu bhb bhc bhh bhk bhl bho bhs bht bhu bkb bkc bkk bkl bko bks bkt blb blc blh blk bll blo bls blt blu bob boc boh bok bol boo bos bot bou bsb bsc bsh bsk bsl bso bss bst bsu btb btc bth btk btl bto bts btt btu bub buc buh buk bul buo bus but buu c-- cbb cbc cbh cbk cbl cbo cbs cbt cbu ccb ccc cch cck ccl cco ccs cct ccu ch- chb chc chh chk chl cho chs cht chu ckb ckc ckh cko cks ckt cl- clb clc clh clk cll clo cls clt clu co- cob coc coh cok col coo cos cot cou csb csc csh csk csl cso css cst csu ctb ctc cth ctk ctl cto cts ctt ctu cub cuc cuh cuk cul cuo cus cut cuu hbb hbc hbh hbk hbl hbo hbs hbt hbu hcb hcc hch hck hcl hco hcs hct hhb hhc hhh hhk hhl hho hhs hht hhu hkb hkh hkk hkl hko hks hkt hku hlb hlc hlh hll hlo hls hlt hlu hob hoc hoh hok hol hoo hos hot hou hsb hsc hsh hsk hsl hss hst hsu htb htc hth htk htl hto hts htt hub huc huh huk hul huo hus hut huu k-t kbb kbc kbh kbk kbl kbo kbs kbu kcb kcc kch kck kcl kcs kct kcu khh khk kho khs khu kkb kkc kkh kkk kkl kks kkt kku kl- klb klc klh klo kls klt klu kob koc koh kok kol koo kos kot kou ksb ksc ksh ksk ksl kso kss kst ksu ktb ktc kth ktk ktl kto kts ktt ktu kub kuc kuh kuk kul kus kut kuu lbb lbc lbh lbk lbl lbo lbs lbt lbu lcb lcc lch lck lcl lco lcs lct lcu lhb lhc lhh lhk lho lhs lht lhu lkb lkh lkl lks lkt llb llc llk lll llo lls llt llu lob loc loh lok lol loo los lot lou lsb lsc lsh lsk lsl lso lss lst lsu ltb ltc lth ltk ltl lto lts ltt ltu lub luc luh luk lul luo lus lut luu ob- obb obc obh obk obl obo obs obt obu oc- ocb occ och ock ocl oco ocs oct ocu ohc ohh ohl oho ohs oht ohu okb okc okk okl oko oks oku olb olc olk oll olo ols olt olu oo- oob ooc ooh ook ool ooo oos oot os- osb osc osh osk osl oso oss ost osu ot- otb otc oth otk otl oto ots ott otu ou- ouc ouh ouk oul ouo ous out sbb sbc sbh sbk sbl sbo sbs sbt sbu scb scc sch sck scl sco scs sct scu sh- shb shc shh shk shl sho shs sht shu sk- skb skc skh skk skl sko sks skt sku slb slc slh slk sll slo sls slt slu sob soc soh sok sol soo sos sot sou ss- ssb ssc ssh ssk ssl sso sss sst ssu stb stc sth stk stl sto sts stt stu sub suc suh suk sul suo sus sut suu tbb tbc tbh tbk tbl tbo tbs tbt tbu tcb tcc tch tck tcl tco tcs tct tcu th- thb thc thh thk thl tho ths tht thu tkb tkc tkk tkl tko tks tkt tlc tlh tlk tll tlo tls tlt tlu to- tob toc toh tok tol too tos tot tou tsb tsc tsh tsk tsl tso tss tst tsu ttb ttc tth ttk ttl tto tts ttt ttu tub tuc tuh tuk tul tuo tus tut tuu ubb ubc ubh ubk ubl ubo ubs ubt ubu ucb ucc uch uck ucl uco ucs uct ucu uhb uhc uhh uhl uho uhs uht uhu ukb ukc ukk ukl uku ulb ulc ulk ull ulo uls ult ulu uob uoc uok uol uoo uos uot usb usc ush usk usl uso uss ust usu utb utc uth utk utl uto uts utt utu uuc uus uut uuu

-hou -ous bbbb bbbs bbch bbhs bblb bbls bcbc bcbs bccc bccl bccs bchs bcos bcsc bcsl bcss bctc bcts bcuc bhcc bhhs bhot bhut bhuu bkhs blbt blcu blhs blkb blls blob bloc blok bloo blot blou blss blst blts blub blus blut bobb bobo bobs bobu boch bock boco bocs bocu bohl boho bohs boht bohu boko boks boku bolk boll bolo bols bolt bolu boob booc booh book bool boos boot bosc bosh bosk boso boss bost bosu botb both boto bots bott bouh bouk boul bous bout bscs bshs bskt bslc bsos bssc bsts btcc btcl btcs bths btob btss bttb btus bubb bubo bubs bubu bucc buch buck buco bucs bucu buhl buho buhs bukh bukk buko buku bulb bulk bull buls bult bulu buol busc bush busk buss bust busu but- buto buts butt buus c-bo cbbc cbbs cbcc cbcl cbcs cbct cbcu cbhl cbhs cbkl cbko cblb cblc cbol cbot cbsc cbtc cbtl cbus ccbc cccb cccc cccl cccs cccu cchl cchs cclc ccls ccob ccoc ccsl ccss ccst cctb cctc cctl cctt ccuc ccus ccut chch chcs chhs chkb chks chkt chlc chlt choc choh chok chol choo chos chou chsc chsh chst chto chtt chub chuk chul chus chut ckbc ckch ckck ckcl ckco ckcs ckhs ckob ckoc ckoo ckos ckot cksb cksh cksl ckso ckst cktb ckts clhs clob clok cloo clos clot clou clsc cltb cltc clts club cluh clut cobb cobh cobo cobs cobu coch cock coco coct cocu coho cohs cok- coko col- colb colk coll colo cols colt colu coob cooh cook cool coos coot cosc cosh cosl coso coss cost cotb cotc coth coto cots cott cotu coub couk coul cous cout cscb cscc csch cscl csco cscs cshl cshs csks cslu csob csos csot cstc