-ic a-a a-b a-c a-i a-t a-z aaa aab aac aai aak aan aar aat aaz ab- aba abb abc abi abk abn abr abt abz ac- aca acb acc aci ack acn acr act acz ai- aia aib aic aii aik ain air ait aiz aka akb akc aki akk akn akr an- ana anb anc ani ank ann anr ant anz ar- ara arb arc ari ark arn arr art arz at- ata atb atc ati atn atr att atz az- aza azb azi azn azt azz baa bab bac bai bak ban bar bat baz bba bbb bbc bbi bbk bbn bbr bbt bca bcb bcc bci bck bcn bcr bct bcz bi- bia bib bic bii bik bin bir bit biz bka bkb bkc bkk bkn bkr bkt bna bnb bnc bni bnk bnn bnr bnt bnz bra brb bri brk brn brr brt brz bta btb btc bti btk btn btr btt btz bza bzn bzr bzz c-- caa cab cac cai cak can car cat caz cba cbb cbc cbi cbk cbn cbr cbt cbz cca ccb ccc cci cck ccn ccr cct ccz ci- cia cib cic cii cik cin cir cit cka ckb ckc cki ckt cn- cna cnb cnc cni cnn cnr cnt cra crb crc cri crk crn crr crt crz cta ctb ctc cti ctk ctn ctr ctt ctz cz- czc czk czt ia- iaa iab iac iai ian iar iat iaz iba ibb ibc ibi ibk ibn ibr ibt ibz ica icb icc ici ick icn icr ict icz iia iib iic iii iin iir iit ika ikb ikc iki ikk ikr ikt in- ina inb inc ini ink inn inr int ir- ira irb irc iri irk irn irr irt ita itb itc iti itk itn itt itz iza izi izz k-t k-z ka- kaa kab kac kai kak kan kar kat kaz kba kbb kbc kbi kbk kbn kbr kbz kca kcb kcc kci kck kcn kcr kct kia kib kic kii kik kin kir kit kiz kkb kkc kki kkk kkn kkr kkt kn- kna knc kni knk knn knr knt kra krc kri krk krn krr krt kta ktb ktc ktk ktn ktr ktt n-i naa nab nac nai nak nan nar nat naz nba nbb nbc nbi nbk nbn nbr nbt nca ncb ncc nci nck ncn ncr nct nia nib nic nii nik nin nir nit niz nka nkc nki nkk nkn nkr nkt nna nnb nnc nni nnk nnn nnt nnz nra nrb nrc nri nrk nrn nrr nrt nrz nta ntb ntc nti ntk ntn ntr ntt ntz nzb nzi nzz ra- raa rab rac rai rak ran rar rat raz rba rbb rbc rbi rbk rbn rbr rbt rca rcb rcc rci rcn rcr rct ria rib ric rii rik rin rir rit riz rkb rkc rkk rkt rkz rna rnb rnc rni rnn rnr rnt rnz rra rrb rrc rri rrk rrn rrr rrt rta rtb rtc rti rtk rtn rtr rtt rtz rza rzb taa tab tac tai tak tan tar tat taz tba tbb tbc tbi tbk tbn tbr tbt tbz tca tcb tcc tci tck tcn tcr tct tia tib tic tii tik tin tir tit tiz tka tkb tkc tkk tkr tkt tkz tna tnb tnc tni tnk tnn tnr tnt tnz tra trb trc tri trk trn trr trt trz tta ttb ttc tti ttk ttn ttr ttt tza zaa zab zac zai zak zan zar zat zaz zbb zbc zbr zbt zia zib zik zin zir zit ziz zka znc znn zta ztr zzr zzt zzz