-ic a-a a-c a-i a-t aaa aac aai aar aat aau aax ac- aca acc aci acr act acu acx ai- aia aic aii air ait aiu aix ar- ara arc ari arr art aru arx at- ata atc ati atr att atu atx au- aua auc aui aur aut aux ax- axa axi axr axt axx c-- caa cac cai car cat cau cax cca ccc cci ccr cct ccu ccx ci- cia cic cii cir cit ciu cix cra crc cri crr crt cru crx cta ctc cti ctr ctt ctu ctx cua cuc cui cur cut cuu cxc cxi cxr cxt cxx ia- iaa iac iai iar iat iau ica icc ici icr ict icu iia iic iii iir iit iiu iix ir- ira irc iri irr irt iru irx ita itc iti itt itu itx iu- iua iuc iui iur iut ixc ixi ra- raa rac rai rar rat rau rax rca rcc rci rcr rct rcu rcx ria ric rii rir rit rix rra rrc rri rrr rrt rru rta rtc rti rtr rtt rtu rtx rua ruc rui rur rut ruu rux rxr t-x taa tac tai tar tat tau tax tca tcc tci tcr tct tcu tcx tia tic tii tir tit tiu tix tra trc tri trr trt tru trx tta ttc tti ttr ttt ttu ttx tua tuc tui tur tut tuu tux txi txt txu ua- uaa uac uai uar uat uau uca ucc uci ucr uct ucu uia uic uii uir uit uiu ur- ura urc uri urr urt uru urx uta utc uti utr utt utu utx uua uuc uur uut uuu uxc uxr uxt uxu xaa xac xar xat xau xci xcr xcx xia xic xii xit xiu xix xrc xrt xrx xtc xti xtr xtx xui xxi xxx