-er -ic -th a-a a-b a-c a-i a-t aaa aab aac aae aaf aah aai aao aar aat ab- aba abb abc abe abf abh abi abo abr abt ac- aca acb acc ace acf ach aci aco acr act aea aeb aec aee aef aeh aei aeo aer aet af- afa afb afc afe aff afh afi afo afr aft aha ahb ahc ahe ahf ahh ahi aho ahr aht ai- aia aib aic aie aif aih aii aio air ait aoa aob aoc aoe aof aoh aoi aoo aor aot ar- ara arb arc are arf arh ari aro arr art at- ata atb atc ate atf ath ati ato atr att baa bab bac bae baf bah bai bao bar bat bba bbb bbc bbe bbf bbh bbi bbo bbr bbt bca bcb bcc bce bcf bch bci bco bcr bct be- bea beb bec bee bef beh bei beo ber bet bfa bfb bfc bfe bff bfh bfi bfo bfr bft bha bhb bhc bhe bhf bhh bhi bho bhr bht bi- bia bib bic bie bif bih bii bio bir bit boa bob boc boe bof boh boi boo bor bot bra brb bre brf brh bri bro brr brt bta btb btc bte btf bth bti bto btr btt c-- caa cab cac cae caf cah cai cao car cat cba cbb cbc cbe cbf cbh cbi cbo cbr cbt cca ccb ccc cce ccf cch cci cco ccr cct ce- cea ceb cec cee cef ceh cei ceo cer cet cfa cfb cfc cfe cff cfh cfi cfo cfr cft ch- cha chb chc che chf chh chi cho chr cht ci- cia cib cic cie cif cih cii cio cir cit co- coa cob coc coe cof coh coi coo cor cot cra crb crc cre crf crh cri cro crr crt cta ctb ctc cte ctf cth cti cto ctr ctt eaa eab eac eae eaf eah eai eao ear eat eba ebb ebc ebe ebf ebh ebi ebo ebr ebt ec- eca ecb ecc ece ecf ech eci eco ecr ect eea eeb eec eee eef eeo eer eet ef- efa efb efc efe eff efh efi efo efr eft eha ehb ehc ehe ehf ehh ehi eho ehr eht eia eib eic eie eif eii eio eir eit eo- eoa eob eoc eoe eof eoh eoi eoo eor eot era erb erc ere erf erh eri ero err ert eta etb etc ete etf eth eti eto etr ett faa fab fac fae faf fah fai fao far fat fba fbb fbc fbe fbf fbh fbi fbo fbr fbt fca fcb fcc fce fcf fci fco fcr fct fea feb fec fee fef feh fei feo fer fet ffa ffc ffe fff ffh ffi ffo ffr fft fha fhb fhc fhe fhf fhh fhi fho fhr fia fib fic fie fif fih fii fir fit foa fob foc foe fof foh foi foo for fot fra frb frc fre frf frh fri fro frr frt fta ftb ftc fte ftf fth fti fto ftr ftt h-i haa hab hac hae haf hah hai hao har hat hba hbb hbc hbe hbf hbh hbi hbo hbr hbt hca hcb hcc hce hcf hch hci hco hcr hct he- hea heb hec hee hef heh hei heo her het hfa hfb hfc hfe hff hfh hfi hfo hfr hft hha hhb hhc hhe hhf hhh hhi hho hhr hht hia hib hic hie hif hih hii hio hir hit hoa hob hoc hoe hof hoh hoi hoo hor hot hr- hra hrb hrc hre hrf hrh hri hro hrr hrt hta htb htc hte htf hth hti hto htr htt i-f ia- iaa iab iac iae iaf iah iai iao iar iat iba ibb ibc ibe ibf ibh ibi ibo ibr ibt ica icb icc ice icf ich ici ico icr ict ie- iea iec iee ief iei ier iet ifa ifb ifc ife iff ifi ifo ifr ift iha ihb ihc ihe ihf ihh ihi iho ihr iht iia iib iic iie iif iih iii iio iir iit io- ioa iob ioc ioe iof ioh ioi ioo ior iot ir- ira irb irc ire irf iri iro irr irt ita itb itc ite itf ith iti ito itt o-i oaa oab oac oae oaf oah oai oao oar oat ob- oba obb obc obe obf obh obi obo obr obt oc- oca ocb occ ocf och oci oco ocr oct oea oeb oec oee oef oeh oei oeo oer oet of- ofa ofb ofc ofe off ofi ofo ofr oft oha ohc ohe ohf ohh ohi oho ohr oht oia oib oic oie oif oii oio oir oit oo- ooa oob ooc oof ooh ooi ooo oor oot or- ora orb orc ore orf orh ori oro orr ort ot- ota otb otc ote otf oth oti oto otr ott ra- raa rab rac rae raf rah rai rao rar rat rba rbb rbc rbe rbf rbh rbi rbo rbr rbt rca rcb rcc rce rcf rch rci rco rcr rct re- rea reb rec ree ref reh rei reo rer ret rfa rfb rfc rfe rff rfh rfi rfo rfr rft rh- rha rhb rhc rhe rhf rhh rhi rho rhr rht ria rib ric rie rif rih rii rio rir rit roa rob roc roe rof roh roi roo ror rot rra rrb rrc rrf rrh rri rrr rrt rta rtb rtc rte rtf rti rto rtr rtt taa tab tac tae taf tah tai tao tar tat tba tbb tbc tbe tbf tbh tbi tbo tbr tbt tca tcb tcc tce tcf tch tci tco tcr tct te- tea teb tec tee tef teh tei teo ter tet tfa tfb tfc tfe tff tfh tfi tfo tfr tft th- tha thb thc the thf thh thi tho thr tht tia tib tic tie tif tih tii tio tir tit to- toa tob toc toe tof toh toi