-ic a-a a-c a-i a-t aaa aac aai aak aar aat aax ac- aca acc aci ack acr act acx ai- aia aic aii aik air ait aix aka akc aki akk akr ar- ara arc ari ark arr art arx at- ata atc ati atr att atx ax- axa axi axk axr axt axx c-- caa cac cai cak car cat cax cca ccc cci cck ccr cct ccx ci- cia cic cii cik cir cit cix cka ckc cki ckt ckx cra crc cri crk crr crt crx cta ctc cti ctk ctr ctt ctx cxc cxi cxk cxr cxt cxx ia- iaa iac iai iar iat ica icc ici ick icr ict iia iic iii iir iit iix ika ikc iki ikk ikr ikt ikx ir- ira irc iri irk irr irt irx ita itc iti itk itt itx ixc ixi k-t ka- kaa kac kai kak kar kat kax kca kcc kci kck kcr kct kcx kia kic kii kik kir kit kix kkc kki kkk kkr kkt kra krc kri krk krr krt kta ktc ktk ktr ktt ra- raa rac rai rak rar rat rax rca rcc rci rcr rct rcx ria ric rii rik rir rit rix rkc rkk rkt rra rrc rri rrk rrr rrt rta rtc rti rtk rtr rtt rtx rxr t-x taa tac tai tak tar tat tax tca tcc tci tck tcr tct tcx tia tic tii tik tir tit tix tka tkc tkk tkr tkt tra trc tri trk trr trt trx tta ttc tti ttk ttr ttt ttx txi txk txt xaa xac xak xar xat xci xcr xcx xia xic xii xit xix xrc xrt xrx xtc xti xtr xtx xxi xxx