-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aak aar aat ab- aba abb abc abh abi abk abr abt ac- aca acb acc ach aci ack acr act aha ahb ahc ahh ahi ahk ahr aht ai- aia aib aic aih aii aik air ait aka akb akc akh aki akk akr ar- ara arb arc arh ari ark arr art at- ata atb atc ath ati atr att baa bab bac bah bai bak bar bat bba bbb bbc bbh bbi bbk bbr bbt bca bcb bcc bch bci bck bcr bct bha bhb bhc bhh bhi bhk bhr bht bi- bia bib bic bih bii bik bir bit bka bkb bkc bkk bkr bkt bra brb brh bri brk brr brt bta btb btc bth bti btk btr btt c-- caa cab cac cah cai cak car cat cba cbb cbc cbh cbi cbk cbr cbt cca ccb ccc cch cci cck ccr cct ch- cha chb chc chh chi chk chr cht ci- cia cib cic cih cii cik cir cit cka ckb ckc ckh cki ckt cra crb crc crh cri crk crr crt cta ctb ctc cth cti ctk ctr ctt h-i haa hab hac hah hai hak har hat hba hbb hbc hbh hbi hbk hbr hbt hca hcb hcc hch hci hck hcr hct hha hhb hhc hhh hhi hhk hhr hht hia hib hic hih hii hik hir hit hka hkb hkh hki hkk hkr hkt hr- hra hrb hrc hrh hri hrk hrr hrt hta htb htc hth hti htk htr htt ia- iaa iab iac iah iai iar iat iba ibb ibc ibh ibi ibk ibr ibt ica icb icc ich ici ick icr ict iha ihb ihc ihh ihi ihk ihr iht iia iib iic iih iii iir iit ika ikb ikc iki ikk ikr ikt ir- ira irb irc iri irk irr irt ita itb itc ith iti itk itt k-t ka- kaa kab kac kah kai kak kar kat kba kbb kbc kbh kbi kbk kbr kca kcb kcc kch kci kck kcr kct kha khh khi khk khr kia kib kic kih kii kik kir kit kkb kkc kkh kki kkk kkr kkt kra krc kri krk krr krt kta ktb ktc kth ktk ktr ktt ra- raa rab rac rah rai rak rar rat rba rbb rbc rbh rbi rbk rbr rbt rca rcb rcc rch rci rcr rct rh- rha rhb rhc rhh rhi rhr rht ria rib ric rih rii rik rir rit rkb rkc rkk rkt rra rrb rrc rrh rri rrk rrr rrt rta rtb rtc rti rtk rtr rtt taa tab tac tah tai tak tar tat tba tbb tbc tbh tbi tbk tbr tbt tca tcb tcc tch tci tck tcr tct th- tha thb thc thh thi thk thr tht tia tib tic tih tii tik tir tit tka tkb tkc tkk tkr tkt tra trb trc trh tri trk trr trt tta ttb ttc tth tti ttk ttr ttt