-th bbb bbh bbi bbk bbo bbr bbs bbt bhb bhh bhi bhk bho bhr bhs bht bi- bib bih bii bik bio bir bis bit bkb bkk bko bkr bks bkt bob boh boi bok boo bor bos bot brb brh bri brk bro brr brs brt bsb bsh bsi bsk bso bsr bss bst btb bth bti btk bto btr bts btt h-i hbb hbh hbi hbk hbo hbr hbs hbt hhb hhh hhi hhk hho hhr hhs hht hib hih hii hik hio hir his hit hkb hkh hki hkk hko hkr hks hkt hob hoh hoi hok hoo hor hos hot hr- hrb hrh hri hrk hro hrr hrs hrt hsb hsh hsi hsk hsr hss hst htb hth hti htk hto htr hts htt ibb ibh ibi ibk ibo ibr ibs ibt ihb ihh ihi ihk iho ihr ihs iht iib iih iii iio iir iis iit ikb iki ikk iko ikr iks ikt io- iob ioh ioi ioo ior ios iot ir- irb iri irk iro irr irs irt is- isb ish isi isk iso isr iss ist itb ith iti itk ito its itt k-t kbb kbh kbi kbk kbo kbr kbs khh khi khk kho khr khs kib kih kii kik kio kir kis kit kkb kkh kki kkk kkr kks kkt kob koh koi kok koo kor kos kot kri krk kro krr krs krt ksb ksh ksi ksk kso ksr kss kst ktb kth ktk kto ktr kts ktt o-i ob- obb obh obi obk obo obr obs obt ohh ohi oho ohr ohs oht oib oii oik oio oir ois oit okb oki okk oko okr oks oo- oob ooh ooi ook ooo oor oos oot or- orb orh ori ork oro orr ors ort os- osb osh osi osk oso osr oss ost ot- otb oth oti otk oto otr ots ott rbb rbh rbi rbk rbo rbr rbs rbt rh- rhb rhh rhi rho rhr rhs rht rib rih rii rik rio rir ris rit rkb rkk rko rks rkt rob roh roi rok roo ror ros rot rrb rrh rri rrk rrr rrs rrt rsb rsh rsi rsk rso rsr rss rst rtb rti rtk rto rtr rts rtt sbb sbh sbi sbk sbo sbr sbs sbt sh- shb shh shi shk sho shr shs sht sib sih sii sik sio sir sis sit sk- skb skh ski skk sko skr sks skt sob soh soi sok soo sor sos sot sr- srb srh sri srk sro srr srs srt ss- ssb ssh ssi ssk sso ssr sss sst stb sth sti stk sto str sts stt tbb tbh tbi tbk tbo tbr tbs tbt th- thb thh thi thk tho thr ths tht tib tih tii tik tio tir tis tit tkb tkk tko tkr tks tkt to- tob toh toi tok too tor tos tot trb trh tri trk tro trr trs trt tsb tsh tsi tsk tso tsr tss tst ttb tth tti ttk tto ttr tts ttt

bbbb bbbs bbhs bhhs bhir bhit bhoi bhor bhot bhrt bibb bibi bibo bibs bihi bihs biis bikh biko bio- bioi bios biot birb biri birk biro birr birs birt bis- bish bisk biso biss bist bith bito bits bitt bkhs bobb bobi bobo bobs boho bohr bohs boht boi- boii bois boit boki boko boks boob booh book boor boos boot bor- borh bori bork boro borr bors bort bosh bosi bosk boso boss bost botb both boti boto bots bott brhs brih brik brio bris brit brkb brob broh brok broo bror bros brot brrr brrs brsb brsr brst bshs bskt bsos bsts bths btob btor btrt btss bttb h-ii hbbs hbhs hbio hbit hbos hbrs hbss hhhh hhhs hibi hibt hihi hiho hiht hiis hiit hiki hiob hiri hirk hiro hirs hirt hisb hish hiss hist hiti hito hits hitt hkir hkis hkst hobo hobs hoho hoik hoir hois hoit hoki hoko hoks hook hoor hoos hoot hori hork horo horr hors hort hosh hoss host hotb hoth hoti hoto hotr hots hott hrhs hrib hrit hrob hros hrso hrtb hshs hski hsob hsts hths htoh htrk httr ibis ibos ibot ibri ibro ibss ibtb ibts ihis ihit ihob ihss iiht iiii iiio iiis iiit iioi iioo iios iirs iisi iisr iist iitr iitt ikki ikko ikoo ikri iobi ioii ioio ioit ioko iooi iooo ioos iori iors ioso ioto irhs iri- irio iris irki irks irob iroh irri irrs irti irts isbt ishi ishk ishr ishs isis isit isko iso- isok isor isos isri issh issi isso issr isss isth isti isto istr ists itbs iths itis itko itoh itoi itoo itor itos itri itrs itsi itso itto k-os kbbb kbbi kbbk kbbo kbbr kbbs kbbt kbhb kbhh kbhi kbhr kbhs kbht kbib kbik kbio kbis kbit kbkb kbkk kbko kbkr kbob kboi kbok kboo kbos kbot kbrb kbrh kbri kbrk kbro kbrt kbsb kbsi kbsk kbso kbsr kbss kbst kbtb kbtk kbto kbtr kbts kbtt khbr khbs khbt khhk khho khhs khii khio khis khit khki khkk khkr khks khob khoi khok khor khot khri khrk khro khrr khrt khsi khss khst khtb khth khti khtk khto khtr khts khtt kibb kibi kibo kibr kibs kibt kihh kihi kihk kiho kihr kihs kiht kiii kiik kiis kiit kiki kikk kiko kikr kikt kioh kioi kiok kioo kiot kirb kiri kirk kiro kirr kirs kirt kish kisi kisk kiso kisr kiss kist kith kiti kito kitr kits kitt kkbb kkbi kkbo kkbr kkbs kkbt kkhb kkhh kkhi kkhk kkhr kkik kkit kkkk kkob kkoh kkoo kkor kkot kkrb kkrh kkrk kkro kkrr kkrs kkrt kksi kksr kkss kkst kktk kkts kobb kobi kobk kobo kobr kobs kohh kohi koho kohr kohs koht koii koir koit kokb kokh koki kokk koko kokr koks koob kooi kook kooo koor koos koot korb kori kork koro korr kors kort kos- kosb kosh kosi koso kosr koss kost kotb koth koti kotk koto kotr kots