-ic a-a a-c a-i a-t aaa aac aai aam aao aar aat aax ac- aca acc aci acm aco acr act acx ai- aia aic aii aim aio air ait aix ama amc ami amm amo amr amt amx aoa aoc aoi aom aoo aor aot aox ar- ara arc ari arm aro arr art arx at- ata atc ati atm ato atr att atx ax- axa axi axm axo axr axt axx c-- caa cac cai cam cao car cat cax cca ccc cci ccm cco ccr cct ccx ci- cia cic cii cim cio cir cit cix cma cmc cmi cmm cmo cmr cmt cmx co- coa coc coi com coo cor cot cox cra crc cri crm cro crr crt crx cta ctc cti ctm cto ctr ctt ctx cxc cxi cxo cxr cxt cxx ia- iaa iac iai iam iao iar iat ica icc ici icm ico icr ict iia iic iii iim iio iir iit iix im- ima imc imi imm imo imt imx io- ioa ioc ioi iom ioo ior iot ir- ira irc iri irm iro irr irt irx ita itc iti itm ito itt itx ixc ixi m-o m-r maa mac mai mam mao mar mat max mc- mca mcc mci mcm mco mcr mct mcx mi- mia mic mii mim mio mir mit mix mma mmc mmi mmm mmo mmr mmt mmx moa moc moi mom moo mor mot mox mra mrc mri mrm mro mrr mrt mrx mta mtc mti mtm mto mtr mtt mtx mxa mxc mxi mxr o-i oaa oac oai oam oao oar oat oax oc- oca occ oci ocm oco ocr oct ocx oia oic oii oim oio oir oit om- oma omc omi omm omo omr omt omx oo- ooa ooc ooi oom ooo oor oot oox or- ora orc ori orm oro orr ort orx ot- ota otc oti otm oto otr ott ox- oxa oxc oxi oxo oxt oxx ra- raa rac rai ram rao rar rat rax rca rcc rci rcm rco rcr rct rcx ria ric rii rim rio rir rit rix rma rmc rmi rmm rmo rmr rmt rmx roa roc roi rom roo ror rot rox rra rrc rri rrm rrr rrt rta rtc rti rtm rto rtr rtt rtx rxr t-x taa tac tai tam tao tar tat tax tca tcc tci tcm tco tcr tct tcx tia tic tii tim tio tir tit tix tma tmc tmi tmm tmo tmr tmt tmx to- toa toc toi tom too tor tot tox tra trc tri trm tro trr trt trx tta ttc tti ttm tto ttr ttt ttx txi txt xaa xac xam xar xat xci xcr xcx xia xic xii xio xit xix xma xmc xmi xmm xmo xmr xmt xmx xoa xoc xoi xom xoo xor xot xox xrc xrt xrx xtc xti xtm xtr xtx xxi xxo xxx