-ic a-a a-b a-c a-i a-t aaa aab aac aai aan aao aar aas aat aav ab- aba abb abc abi abn abo abr abs abt abv ac- aca acb acc aci acn aco acr acs act acv ai- aia aib aic aii ain aio air ais ait aiv an- ana anb anc ani ann ano anr ans ant anv aoa aob aoc aoi aon aoo aor aos aot aov ar- ara arb arc ari arn aro arr ars art arv as- asa asb asc asi asn aso asr ass ast asv at- ata atb atc ati atn ato atr ats att atv av- ava avb avc avi avn avo avr avs avt baa bab bac bai ban bao bar bas bat bav bba bbb bbc bbi bbn bbo bbr bbs bbt bca bcb bcc bci bcn bco bcr bcs bct bcv bi- bia bib bic bii bin bio bir bis bit biv bna bnb bnc bni bnn bno bnr bns bnt bnv boa bob boc boi bon boo bor bos bot bov bra brb bri brn bro brr brs brt brv bsa bsb bsc bsi bsn bso bsr bss bst bsv bta btb btc bti btn bto btr bts btt btv bva bvb bvc bvi bvn bvo bvr bvs bvt bvv c-- caa cab cac cai can cao car cas cat cav cba cbb cbc cbi cbn cbo cbr cbs cbt cbv cca ccb ccc cci ccn cco ccr ccs cct ccv ci- cia cib cic cii cin cio cir cis cit civ cn- cna cnb cnc cni cnn cno cnr cns cnt cnv co- coa cob coc coi con coo cor cos cot cov cra crb crc cri crn cro crr crs crt crv csa csb csc csi csn cso csr css cst csv cta ctb ctc cti ctn cto ctr cts ctt ctv cva cvb cvc cvi cvn cvo cvr cvs cvt cvv i-v ia- iaa iab iac iai ian iao iar ias iat iav iba ibb ibc ibi ibn ibo ibr ibs ibt ibv ica icb icc ici icn ico icr ics ict icv iia iib iic iii iin iio iir iis iit in- ina inb inc ini inn ino inr ins int inv io- ioa iob ioc ioi ion ioo ior ios iot iov ir- ira irb irc iri irn iro irr irs irt irv is- isa isb isc isi isn iso isr iss ist isv ita itb itc iti itn ito its itt itv iva ivb ivc ivi ivo ivr ivs ivt ivv n-i naa nab nac nai nan nao nar nas nat nav nba nbb nbc nbi nbn nbo nbr nbs nbt nbv nca ncb ncc nci ncn nco ncr ncs nct ncv nia nib nic nii nin nio nir nis nit niv nna nnb nnc nni nnn nno nns nnt nnv no- noa nob noc noi non noo nor nos not nov nra nrb nrc nri nrn nro nrr nrs nrt nrv nsa nsb nsc nsi nsn nso nsr nss nst nsv nta ntb ntc nti ntn nto ntr nts ntt ntv nva nvb nvc nvi nvn nvt nvv o-i oaa oab oac oai oan oao oar oas oat oav ob- oba obb obc obi obn obo obr obs obt obv oc- oca ocb occ oci ocn oco ocr ocs oct ocv oia oib oic oii oin oio oir ois oit oiv on- ona onb onc oni onn ono onr ons ont oo- ooa oob ooc ooi oon ooo oor oos oot oov or- ora orb orc ori orn oro orr ors ort orv os- osa osb osc osi osn oso osr oss ost osv ot- ota otb otc oti otn oto otr ots ott otv ov- ova ovb ovc ovi ovo ovs ovv ra- raa rab rac rai ran rao rar ras rat rav rba rbb rbc rbi rbn rbo rbr rbs rbt rca rcb rcc rci rcn rco rcr rcs rct rcv ria rib ric rii rin rio rir ris rit riv rna rnb rnc rni rnn rno rnr rns rnt rnv roa rob roc roi ron roo ror ros rot rov rra rrb rrc rri rrn rrr rrs rrt rsa rsb rsc rsi rsn rso rsr rss rst rsv rta rtb rtc rti rtn rto rtr rts rtt rtv rva rvb rvc rvi rvn rvo rvr rvs rvt rvv saa sab sac sai san sao sar sas sat sav sba sbb sbc sbi sbn sbo sbr sbs sbt sbv sca scb scc sci scn sco scr scs sct scv sia sib sic sii sin sio sir sis sit siv sna snb snc sni snn sno snr sns snt snv soa sob soc soi son soo sor sos sot sov sr- sra srb src sri srn sro srr srs srt srv ss- ssa ssb ssc ssi ssn sso ssr sss sst ssv sta stb stc sti stn sto str sts stt stv sva svb svc svi svn svo svr svs svt svv taa tab tac tai tan tao tar tas tat tav tba tbb tbc tbi tbn tbo tbr tbs tbt tbv tca tcb tcc tci tcn tco tcr tcs tct tcv tia tib tic tii tin tio tir tis tit tiv tna tnb tnc tni tnn tno tnr tns tnt to- toa tob toc toi ton too tor tos tot tov tra trb trc tri trn tro trr trs trt trv tsa tsb tsc tsi tsn tso tsr tss tst tsv tta ttb ttc tti ttn tto ttr tts ttt ttv tva tvb tvc tvi tvn tvo tvr tvs tvt v-a vaa vab vac vai van vao var vas vat vav vba vbc vbi vbo vbr vbs vbv vca vcc vci vcn vco vcr vcs vct vi- via vib vic vii vin vio vir vis vit viv vn- vna vni vno vnr vns vnv voa vob voc voi von voo vor vos vot vov vra vrb vrc vri vrn vrr vrs vrt vsa vsb vsc vsi vsn vso vsr vss vst vsv vta vtb vtc vti vto vtr vts