-ic -th bbb bbc bbh bbi bbk bbo bbr bbt bcb bcc bch bci bck bco bcr bct bhb bhc bhh bhi bhk bho bhr bht bi- bib bic bih bii bik bio bir bit bkb bkc bkk bko bkr bkt bob boc boh boi bok boo bor bot brb brh bri brk bro brr brt btb btc bth bti btk bto btr btt c-- cbb cbc cbh cbi cbk cbo cbr cbt ccb ccc cch cci cck cco ccr cct ch- chb chc chh chi chk cho chr cht ci- cib cic cih cii cik cio cir cit ckb ckc ckh cki cko ckt co- cob coc coh coi cok coo cor cot crb crc crh cri crk cro crr crt ctb ctc cth cti ctk cto ctr ctt h-i hbb hbc hbh hbi hbk hbo hbr hbt hcb hcc hch hci hck hco hcr hct hhb hhc hhh hhi hhk hho hhr hht hib hic hih hii hik hio hir hit hkb hkh hki hkk hko hkr hkt hob hoc hoh hoi hok hoo hor hot hr- hrb hrc hrh hri hrk hro hrr hrt htb htc hth hti htk hto htr htt ibb ibc ibh ibi ibk ibo ibr ibt icb icc ich ici ick ico icr ict ihb ihc ihh ihi ihk iho ihr iht iib iic iih iii iio iir iit ikb ikc iki ikk iko ikr ikt io- iob ioc ioh ioi ioo ior iot ir- irb irc iri irk iro irr irt itb itc ith iti itk ito itt k-t kbb kbc kbh kbi kbk kbo kbr kcb kcc kch kci kck kcr kct khh khi khk kho khr kib kic kih kii kik kio kir kit kkb kkc kkh kki kkk kkr kkt kob koc koh koi kok koo kor kot krc kri krk kro krr krt ktb ktc kth ktk kto ktr ktt o-i ob- obb obc obh obi obk obo obr obt oc- ocb occ och oci ock oco ocr oct ohc ohh ohi oho ohr oht oib oic oii oik oio oir oit okb okc oki okk oko okr oo- oob ooc ooh ooi ook ooo oor oot or- orb orc orh ori ork oro orr ort ot- otb otc oth oti otk oto otr ott rbb rbc rbh rbi rbk rbo rbr rbt rcb rcc rch rci rco rcr rct rh- rhb rhc rhh rhi rho rhr rht rib ric rih rii rik rio rir rit rkb rkc rkk rko rkt rob roc roh roi rok roo ror rot rrb rrc rrh rri rrk rrr rrt rtb rtc rti rtk rto rtr rtt tbb tbc tbh tbi tbk tbo tbr tbt tcb tcc tch tci tck tco tcr tct th- thb thc thh thi thk tho thr tht tib tic tih tii tik tio tir tit tkb tkc tkk tko tkr tkt to- tob toc toh toi tok too tor tot trb trc trh tri trk tro trr trt ttb ttc tth tti ttk tto ttr ttt

bbbb bbch bbci bbrc bcbc bccc bcci bcit bcor bctc bhcc bhir bhit bhoi bhor bhot bhrt bibb bibi bibo bicc bich bici bick bico bihi bikh biko bio- bioc bioi biot birb biri birk biro birr birt bitc bith bito bitt bobb bobi bobo boch bock boco boho bohr boht boi- boii boit boki boko boob booc booh book boor boot bor- borh bori bork boro borr bort botb both boti boto bott brcb bric brih brik brio brit brkb brob broc broh brok broo bror brot brrr brtc btcc btob btor btrc btrt bttb c-bo cbbc cbcc cbcr cbct cbir cbit cbko cbkr cbot cbrh cbrt cbtc ccbc cccb cccc ccci cchr ccic ccii ccir ccob ccoc ccrc ccri ccrt cctb cctc cctt chch chci chib chic chih chik chir chit chkb chkt choc choh choi chok choo chor chrb chrc chro chrr chrt chto chtr chtt cibc cibi cibo cicc cich cici cico cicr cict cihr ciht ciii ciit ciko cikr ciob cior cirb circ cirh ciri cirk ciro cirr cirt citb cith citi cito citt ckbc ckbi ckch ckck ckco ckob ckoc ckoi ckoo ckor ckot ckrc cktb cobb cobh cobi cobo coch cock coco coct coho coir coit cok- coko coob cooh cook coot cor- corb corc cori cork coro corr cort cotb cotc coth coti coto cott crbc crcc crcr crib cric crik crit crkc crob croc croh crok croo cror crot crrt crtc ctbi ctic ctor ctot ctrc h-ii hbic hbio hbit hboc hcbc hccb hccc hcch hchi hhhh hi-c hibi hibt hicc hich hick hico hihc hihi hiho hiht hiit hiki hiob hioc hiri hirk hiro hirt hitc hiti hito hitt hkcc hkir hobo hoch hock hocr hoho hoik hoir hoit hoki hoko hook hoor hoot horc hori hork horo horr hort hotb hoth hoti hoto hotr hott hrib hrit hrob hrrc hrtb htcc htoh htrk httr ibot ibrc ibri ibro ibtb ibtc icbc iccb iccc icci icco iccr icct ichc ichi icho ichr icoc icor icrc icrr icrt ihcc ihit ihob ihrc ihtc iiht iiii iiio iiit iioi iioo iirc iitr iitt ikki ikko ikoo ikri iobi ioci ioii ioio ioit ioko iooi iooo iori ioto ircc iri- iric irio irki irob iroc iroh irrc irri irti itch ithc itic itko itoh itoi itoo itor itri itto k-ci kbbb kbbc kbbi kbbk kbbo kbbr kbbt kbcb kbch kbci kbck kbco kbcr kbct kbhb kbhc kbhh kbhi kbhr kbht kbib kbic kbik kbio kbit kbkb kbkk kbko kbkr kbob kboc kboi kbok kboo kbot kbrb kbrc kbrh kbri kbrk kbro kbrt kbtb kbtc kbtk kbto kbtr kbtt kcbc kcbi kcbk kcbr kccb kccc kcci kcck kccr kcct kchh kchi kchk kcho kchr kcic kcii kcir kcit kckc kckk kcko kckr kcob kcoh kcor kcot kcrc kcrh kcri kcro kcrr kcrt kctb kctc kcti kcto khbc khbr khbt khcb khcc khch khck khct khhk khho khic khii khio khit khki khkk khkr khob khoc khoi khok khor khot khri khrk khro khrr khrt khtb