-ic a-a a-c a-i aaa aac aaf aai aao aar aas aau ac- aca acc acf aci aco acr acs acu af- afa afc aff afi afo afr afs afu ai- aia aic aif aii aio air ais aiu aoa aoc aof aoi aoo aor aos aou ar- ara arc arf ari aro arr ars aru as- asa asc asf asi aso asr ass asu au- aua auc auf aui auo aur aus c-- caa cac caf cai cao car cas cau cca ccc ccf cci cco ccr ccs ccu cfa cfc cff cfi cfo cfr cfs cfu ci- cia cic cif cii cio cir cis ciu co- coa coc cof coi coo cor cos cou cra crc crf cri cro crr crs cru csa csc csf csi cso csr css csu cua cuc cuf cui cuo cur cus cuu faa fac faf fai fao far fas fau fca fcc fcf fci fco fcr fcs fcu ffa ffc fff ffi ffo ffr ffs ffu fia fic fif fii fir fis fiu foa foc fof foi foo for fos fou fra frc frf fri fro frr frs fru fsa fsc fsf fsi fso fsr fss fsu fua fuf fui fuo fur fus fuu i-f ia- iaa iac iaf iai iao iar ias iau ica icc icf ici ico icr ics icu ifa ifc iff ifi ifo ifr ifs ifu iia iic iif iii iio iir iis iiu io- ioa ioc iof ioi ioo ior ios iou ir- ira irc irf iri iro irr irs iru is- isa isc isf isi iso isr iss isu iu- iua iuc iui iur ius o-i oaa oac oaf oai oao oar oas oau oc- oca occ ocf oci oco ocr ocs ocu of- ofa ofc off ofi ofo ofr ofs ofu oia oic oif oii oio oir ois oiu oo- ooa ooc oof ooi ooo oor oos or- ora orc orf ori oro orr ors oru os- osa osc osf osi oso osr oss osu ou- oua ouc ouf oui ouo our ous ra- raa rac raf rai rao rar ras rau rca rcc rcf rci rco rcr rcs rcu rfa rfc rff rfi rfo rfr rfs rfu ria ric rif rii rio rir ris roa roc rof roi roo ror ros rou rra rrc rrf rri rrr rrs rru rsa rsc rsf rsi rso rsr rss rsu rua ruc ruf rui ruo rur rus ruu saa sac saf sai sao sar sas sau sca scc scf sci sco scr scs scu sfa sfc sff sfi sfo sfr sfs sfu sia sic sif sii sio sir sis siu soa soc sof soi soo sor sos sou sr- sra src srf sri sro srr srs ss- ssa ssc ssf ssi sso ssr sss ssu sua suc suf sui suo sur sus suu ua- uaa uac uaf uai uao uar uas uau uca ucc ucf uci uco ucr ucs ucu ufa ufc uff ufi ufo ufr ufs ufu uia uic uif uii uio uir uis uiu uoa uoc uoo uor uos ur- ura urc urf uri uro urr urs uru usa usc usf usi uso usr uss usu uua uuc uur uus uuu